The Default Network Mode; The Brain's Screensaver

The default mode network (DMN) is a network of brain components active when during daydreaming, self-generated thought, and when not attending to outside stimuli. Marcus Raichle, the discoverer of the DMN, has referred to it as "the orchestrator of the self". It is most active when the brain is at rest or involved in social communication.

 

The concept of brain resting-state network arose from observations made when comparing cerebral perfusion during cognitive processing to that measured during passive baseline conditions such as at rest, that is, when subjects lie in the dark and are instructed to think about nothing in particular (Mevel, 2011).

Raichle first used the term in 2001 to describe the nature of brain activity when it is not engaged in any specific, externally focused task. It's been considered quite an elaborate system, and while there are no definitive functions of the DMN as of yet, some proposed have included internal processes such as self-reflection to diffused passive attention. The DMN is generally inhibited in most cognitive tasks, however, tasks that involve episodic memory does not deactivate the DMN - suggesting a link.

The main hypotheses associated with the DMN and cognitive functions are, the Internal Mentation Hypothesis, and the Sentinel Hypothesis. The Internal Mentation hypothesis holds that DMN is important in introspection and internal attention. The Sentinel Hypothesis argues that the DMN supports a low level ''exploratory'' attention that surveys for unexpected stimuli.

Although some variation occurs, the default network mostly includes medial brain structures, i.e., the ventral medial prefrontal cortex, the posterior cingulate cortex, the inferior parietal lobe, the lateral temporal cortex, the dorsal medial prefrontal cortex, and the hippocampal formation. Probing the functional anatomy of the network in detail reveals that it is best understood as multiple interacting subsystems (Buckner, 2008).

The link between DMN and episodic memory is well established. It is now known that retrieval of episodic memories, whether internally or externally cued; relies on the DMN (Cabeza et al., 2011). Further, dysfunction of both grey matter of DMN nodes as well as white matter connections are implicated in Alzheimer's Disease, a disease with obvious prominent effects on episodic memory. People with early signs of Alzheimer's Disease have unusual resting state signatures, while in Autism; the resting-state networks can be 'hyperconnected'.

People who are depressed show an increase in DMN activity. This is likely to be precisely because what characterizes depression is a sense of constant rumination and negative self-referential mental activity – in neurological terms being stuck in the DMN. (Smith, 2015). Others researchers discovered findings that suggest increased default mode network activation during meditation (Xu et al., 2014), indicating that this activation is related to the relaxed focus of attention, which allows spontaneous thoughts, images, sensations, memories, and emotions to emerge and pass freely, accepting them as part of the meditation process (Xu et al., 2014). The DMN has also been linked with depression (Belleau et al., 2014), schizophrenia (Mingoia et al., 2012), and post traumatic stress disorder (Lanius et al., 2009).

While the functional significance of the DMN remains unknown, converging evidence suggests that the DMN might be critical for self-referential processing (e.g., introspection). Age differences in the ability to deactivate the DMN has been found between older and younger adults, which may reflect the cognitive change experienced in normal aging (Park et al, 2009). The mental activity of the DMN has still not been rigorously assessed to date. Despite the growing amount of knowledge regarding the DMN physiology and anatomy, the cognitive function of this network is still poorly understood (Mevel, 2011).

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''Whatever resting activity is doing, its existence proves one thing - the brain only rests when you're dead'' ~ Miall (2009)

Traumatic Brain Injury: Blast-Induced Neurotrauma and Sequelae in Military Personnel

Traumatic brain injury (TBI) is “an alteration in brain function, or other evidence of brain pathology, caused by an external force” (Bagalman, 2013, p. 2). There are two major forms of TBI; closed head and penetrating head. Closed head TBI is a result of the head coming to a rapid standstill while the brain, suspended in fluid, continues to strike the skull; also termed the “bobble head” effect (Goldstein, McKee, & Stanton, 2014). The severity of closed head TBI is classified as: mild, moderate or severe (Graner, Oakes, French et al., 2013). Penetrating head TBI is a result of an object entering the skull and into the brain (Kovacs, Leonessa, Grimes et al., 2014). Blast-induced TBI (bTBI) is argued to be a third type, although this is not universally accepted (Kovacs et al., 2014).

 

In war settings, the majority of military-related TBI is the result of exposure to explosive blasts (McKee & Robinson, 2014). Bombings have become an increasingly effective terrorism tool and in the current conflicts in Iraq and Afghanistan, bTBI has become frequently common among service members. Explosive related injury is not a new phenomenon, but an increasing use of bombings in modern warfare has created further attention.

In World War I (1914-1918), military exposed to bomb blasts often experienced what became known as shell shock or “commotio cerebri”. The condition often left soldiers unable to fight, but the pathology was unclear. In modern times, it is now known that blast-related brain injury can leave no external marks of damage (Suh et al., 2007).

Improvised explosive devices (IEDs) are regularly encountered in the Iraq and Afghanistan wars. Explosives are categorized as either high-order explosives (HE) or low-order explosives (LE). Briefly, HE detonate quickly and produce an over-pressurization blast wave that rapidly expands from the detonation point. In contrast, LE produce a subsonic explosion without an over-pressurization wave, and are regarded as less destructive. Soldiers in the proximity of an explosion can receive four types of blast injury; primary, secondary, tertiary, and quarternary. Primary injuries result from the physical forces generated by the blast wave, secondary injuries are inflicted from flying debris, tertiary can occur from a body being thrown and striking an object and quarternary relate to all other injuries not covered by the first three types; such as burns (Kovacs et al., 2014).

 

All body parts can be affected from secondary, tertiary, and quarternary blast injuries (Lemonick, 2011); however the current post focuses on blast-wave associated primary injuries. As well as neurotrauma, a number of injuries are associated with primary blast effects. The most vulnerable regions of the body are the air-fluid components found in the lungs, bowel, and middle ear. Barotrauma (injuries sustained from blast-wave induced changes in atmospheric pressure) can lead to organs and tissues being damaged from stretching and shearing forces (Kocsis & Tessler, 2009). Pulmonary barotrauma, or “blast lung”, is the most commonly fatal primary blast injury (Scott, Vanderploeg, Belanger et al., 2005). Other injuries include ruptures to the tympanic membrane of the ear and gastrointestinal tract, and damage to the eye globe (Fuse, Okumura, Tokuno et al, 2011).
 

Brain injuries from primary blast can include: concussion (Lemonick, 2011); systemic acute gas embolism induced by pulmonary barotrauma can cause the blood vessels to the brain to become obstructed, and this can cause damage such as edema, diffuse axonal injury and hemorrhage (Fuse et al., 2011); vasospasm, the constriction of blood vessels, can occur in cerebral regions and last for as long as one month (Levine & Kumar, 2013); contusions can also appear on the frontotemporal regions and occipital lobes as a result of brain shift (Elder, Mitsis, Ahlers et al., 2010). Blast-related mild TBI has been associated with neurodegeneration and large disruptions to white matter tracts, and this damage is compounded if the person had experienced previous bTBI (Davenport, Lim, Armstrong et al., 2011). Symptoms of concussion and mild TBI often subside over a few weeks, however some people may develop chronic symptoms or postconcussive syndrome; including symptoms of sleep disturbances and prolonged psychological distress (McKee & Robinson, 2014). The pathological effects on the brain from a blast-wave are still not fully understood; the two most prominent theories are presented below. 

Coup-Contre-Coup Injury

The leading theory on how explosive blast causes TBI is the pressure wave mechanism. This theory posits that shock waves generated from an explosion travel through the air, impacting the head, which then passes through the brain causing its acceleration and deformation (Kovacs et al., 2014). In addition to the shock waves impacting the victim’s head, further damage can be inflicted to the brain by what is known as a ‘coup-contre-coup’ injury. When an explosion detonates close to a soldier, the pressure-wave impacts the blast-facing surface of the skull; this ‘coup’ injury causes the brain to knock against the skull that creates neurotrauma at the point of contact. Following the initial impact, the brain is violently shifted to the opposite side of the skull leading to the ‘contre-coup’ injury (Goodrich et al., 2013).

 

Since the Balkan Wars in the 1990s, Dr. Ibolja Cernak has become a leading researcher in blast-induced neurotrauma. Interest in this form of TBI was inspired when she examined soldiers presenting with memory deficits, speech problems, dizziness, and decision-making difficulties after exposure to explosions. Unusually, the majority of these soldiers did not have any external signs of injury, but MRI scans showed much internal damage to the brain; including enlarged ventricles and minor internal bleeding (Bhattacharjee, 2008). Later, soldiers returning from the Iraq war complained of cognitive and behavioural problems; many of whom had suffered blast exposure and loss of consciousness without noticeable head injuries. This resulted in Cernak devising her theory for the pathology of this TBI; the vascular transmission theory. The theory argues that once a blast-wave strikes a soldier, kinetic energy travels through the blood vessels towards the brain. Specifically, the blast that impacts the torso area compresses organs and forces blood into the skull (Dennis & Kochanek, 2007). The pulse oscillates rapidly through the neck and enters the brain, damaging axons and neurons in the hippocampus, brainstem, and structures around the cerebral vessels (Bhattacharjee, 2008). This theory is debated more than the pressure wave mechanism but both theories are likely valid in the pathogenesis of bTBI (Kovacs et al., 2014). Moreover, whichever theory is accepted, what is certain is that brain injuries are the result.

 

A neurodegenerative disease that can develop in military exposed to bomb blast is chronic traumatic encephalopathy (CTE); which is caused, in part, by repetitive brain trauma (Baugh et al., 2012; Goldstein et al, 2012). Previously only associated with boxers, the symptoms of CTE often appear years after a trauma-producing event which can make it difficult to diagnose. Symptoms of CTE can include cognitive deficits, mood disorders, and behavioural problems (Baugh et al., 2012). Frequently observed gross pathologic features of CTE are generalized cerebral atrophy, thalamic and hypothalamic atrophy, enlargement of the lateral and third ventricles, shrinkage of the mammillary bodies, and thinning of the corpus callosum (McKee & Robinson, 2014). Injuries associated with bTBI are not only confined to neurological damage, as psychological issues can also develop.

 

A psychological problem encountered by some victims of bTBI is post-traumatic stress disorder (PTSD) (Warden, 2006). PTSD is an anxiety disorder stemming from “a delayed and protracted response after experiencing or witnessing a traumatic event involving actual or threatened death or serious injury to self or others”. Warden (2006) notes soldiers with mild TBI have a higher risk of developing PTSD. Mild bTBI shares much similarity with the clinical features of PTSD, such as difficulties with concentration (Kanter, 2007), sleep disturbances, and mood alteration (Ling et al., 2009). Due to the similar characteristics of both, a problem arises here with the potential for misdiagnosis (Ling et al., 2009). As soldiers may present with co-occurring symptoms, Warden (2006) advises that clinicians should be mindful of each diagnosis during assessments. This helps to avoid the wrong forms of therapy being offered to soldiers. Soldiers who suffer TBI are also more susceptible to depression. Depression after TBI is estimated to be three times more likely than the rates for the general population. Further, as with PTSD, overlapping symptoms of depression and TBI can make TBI diagnosis difficult. This again highlights a need for clinicians to adequately assess military personnel exposed to bomb blast.

 

Treating TBI victims from the Iraq and Afghanistan wars could be astronomical, with some estimating that 14 billion dollars could be spent over the next 20 years (Bhattacharjee, 2008). Due to the economic burden and the physical and psychological consequences of bTBI, there is a growing interest in research of animal models of trauma. The most common experimental models of explosive blast are open field blasts, blast tubes, and shock tubes. A detailed description of each was discussed by Kovacs and colleagues (2014) and is summarized here. Open field blasts are regarded as the most accurate representation of blast-injury in humans. They utilize an explosive device that is detonated in an outdoor location. The instrument can be placed on the ground or suspended, with animal subjects placed at specific distances. It is a valid blast model; as real-life combat explosions involve shock wave reflections from surfaces such as the ground or walls.

The second model, the blast tube, creates a shock wave and blast wind once detonated. It ensures animal subjects are exposed to a “pure” blast without reflected shocks, and prevents secondary, tertiary, and quarternary injuries.

Typical Shock Tube Experimental Setup

Lastly, shock tubes use compressed gas and are an alternative to the blast tube. Regarded as safer and more economical, they have the added benefit of being easily used in lab settings. Furthermore, shock tubes can mimic primary blast injuries to isolated body parts, such as the head or abdomen. Kovacs et al. (2014) also highlight some problematic elements of the models, such as weather conditions when using open field blasts, or the possibility of shock tube fragments impacting the subject, making comparison to human injury difficult to extrapolate.

 

Exposing animals to primary blast effects show that neurological impairments can occur due to structural changes in the brain (Kocsis & Tessler, 2009). For example, rodent brains examined after a primary blast exposure in concrete bunkers showed evidence of widespread microglial activation (Kaur, Singh, Lim et al., 1995), suggesting cell damage after the blast. Although studies often employ using rodents because of expense factors, numerous physiological responses can be different in smaller animals. Therefore, a larger animal would be more suitable to replicate blast-induced trauma, with swine becoming the preferred choice. The key reason for using swine is that they closely match some human anatomy and physiology (Swindle, 2010). As well as having anatomical similarities with abdominal organs such as the liver, kidney, and pancreas; similarities also exist with the skin and subcutaneous tissues. Swindle (2010) adds that they have a large gyrencephalic brain and similar cardiothoracic anatomy and physiology.

 

Blast models use anesthetized swine suspended in slings or in fixed supports. The animal is exposed to altering degrees of explosives that are situated at various proximities. Injuries incurred are mainly due to the blast wave that follows the explosion. Specifically researching neurotrauma in the animal, Swindle (2010) discovered that neuropathology was most evident in the white matter with fiber degeneration and astrocytosis; while short and long-term movement disruptions were also observed. Again, drawbacks exist with these animal models. As a general anesthesia is required for ethical purposes, experimenters regard it to complicate factors when later examining physiological outcomes on the animal (Swindle, 2010). Further, experimental difficulties have been acknowledged when comparing low level blasts on animal subjects to how they may affect a human (Elder, Stone, & Ahlers, 2014); with some authors arguing that blast experiments need to start incorporating phantoms and human (cadaver) heads to fully validate the results in these blast models (Gupta & Przekwas, 2013).

 

Bombings have increased dramatically in modern warfare. Blast-induced TBI can have neurological (Baugh et al., 2012; Davenport et al., 2011; Fuse et al., 2011), psychological (Warden, 2006) and economic implications (Bhattacharjee, 2008), consequently much interest focuses on soldier protection. Due to advancements in improving the effectiveness of body armor, more and more soldiers are surviving explosions that may have resulted in death during previous wars (Warden, 2006). Subsequently, this has led to an increased prevalence of TBI. Research on protective head gear in sport has shown that impact forces to the brain are reduced; however they do not lessen incidences of concussion (McCrory et al., 2009; Zafonte & Discussant, 2011). Difficulties developing the most optimal forms of head protection (and armor) in the military also exist. For example, Cernak (2010) conducted experiments with mice examining protective blast measures. Using shock tubes, the animal model had three conditions; whole body blasts without protection, torso protected, and head protected.

 

Cernak discovered that; head protection did not prevent chronic inflammation and neurological deficits in the mice; the same damage was seen in both the head protected condition as well as full body exposure; and the torso protection reduced blast-induced morphological changes in the brain. Cernak (2010) believes that this research further supports the vascular transmission theory of bTBI. In military settings, blast pressure waves can be more than 1,000 times that of atmospheric pressure, which can make the most modern helmets ineffective. Resultantly, combat soldiers wearing helmets beside explosions often display neurological impairments (Bhattacharjee, 2008). Therefore, Cernak suggests that to prevent bTBI, there should not only be a focus on developing optimal head protection, but a strong emphasis on body armor.

 

Although physical protection from explosions is paramount, other authors have examined neurological protection post blast (Giovanni et al, 2005). After initial blast exposure, neural activity can be weakened, and as a brain injury evolves; subsequent excitotoxicity exacerbates neuronal damage (Dennis & Kochanek, 2007). Giovanni and colleagues (2005) researched treatment on cell cycle inhibition after TBI. They found that neural degeneration may be halted with the use of cell-cycle inhibitors. Reductions in lesion volume and a near complete recovery were observed in rats, with the experimenters proposing that cell-cycle inhibitors be incorporated as a TBI clinical treatment. If researchers continue to struggle with developing blast protection, techniques to assess and diagnose bTBI will be increasingly required. Neuroimaging techniques have become vital tools in this regard. 

Soldiers are often exposed to blasts but fail to report it due to not perceiving any injury. Therefore a number of neuroimaging techniques are used to improve diagnosis and treatment of bTBI. The first of these is computerized tomography (CT) scanning which is presently the standard equipment used for examining soldiers with head injuries (Benzinger et al., 2009). Readily available in most military hospitals, it has the ability to identify contusions, hematomas, penetrating injuries and fractures; although it is limited in distinguishing normal from mild blast injury (Benzinger et al., 2009). As noted, vasospasm is regularly identified in soldiers exposed to blast (Levine & Kumar, 2013), and transcranial doppler (TCD) is a vital screening tool for this bTBI symptom. The equipment is also highly portable which makes it ideal for battlefield implementation.

MRI Scan

Magnetic Resonance Imaging (MRI) has recently become a preferred imaging tool for identifying brain lesions in people with mild TBI. Although it can identify up to 50% more lesions than CT, precaution must be taken for embedded shrapnel which could lead to further injury from the equipment’s magnet. Positron emission tomography (PET) has also added understanding to the underlying pathophysiology in TBI, but it requires significant equipment that makes it logistically unfeasible for military field screenings (Benzinger et al., 2009).

 

In cases of mild TBI, technology such as MRI and CT regularly fail to detect focal lesions (Graner et al., 2013). However, neuroimaging that shows increasing promise with bTBI is Diffusion-tensor imaging (DTI). DTI is an MRI technique used to examine microstructural properties of white matter (Davenport et al., 2011). DTI can identify lesions on specific axonal pathways, which may improve future diagnoses of cognitive dysfunction in mild TBI (Benzinger et al., 2009). Hayes and colleagues (2011) reported a case study of a soldier exposed to multiple blast injuries. Using DTI, analysis revealed changes in white matter integrity that had led to cognitive decline in the subject; further supporting the theory of neurotrauma from blast exposure. Unfortunately, there is little research on the usefulness of DTI in assessing CTE (Baugh et al., 2012) and debate surrounds its effectiveness for evaluating acute concussion (Ianof et al, 2014).

 

An additional suggestion for bTBI diagnoses is the possible implementation of oculomotor testing. Neural connections in eye movements and higher cognitive functions are similar and eyetracking could offer a sensitive tool for diagnosing certain cognitive impairments (Suh et al, 2007). The researchers add that the mobile equipment makes it simple to administer on the injury site. Alternatively, as some neuroimaging may not detect certain forms of neurological damage associated with bTBI (Graner et al., 2013), a new device has been introduced that may help decide what form of neuroimaging should be used. “Blast badges” use specialized colour-changing crystals that break apart when exposed to a blast shockwave. Attached to the soldiers uniform, the colour change corresponds with the level of blast intensity and potential harm to the brain (Cullen et al., 2011). The researchers expect this novel device to become a key instrument in the future, that will compliment neuroimaging techniques, help decide what medical care to provide, and when the soldier should return to duty.

 

Colour changing Blast Badges

 

In the Iraq and Afghanistan conflicts, TBI has become the ‘signature injury’ akin to that of shell shock in the 1st World War. In civilian populations, TBI is regularly experienced (Goodrich et al., 2013); however bTBI is more confined to combat settings (Ling et al., 2009; McKee & Robinson, 2014). Blast-induced TBI can have psychological and neurological consequences. Kovacs et al. (2014) remark that “knowing the pathology is necessary to fully understand a disease” (p. 5). In this regard, research with animals shows promise in producing a reliable model that can replicate blast injuries to the human brain. Although difficulties surround creating the ideal protective equipment for soldiers, neuroimaging techniques and novel technology such as “blast badges” may help in future guidance of the appropriate treatments for blast-induced neurotrauma.

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Only the dead have seen the end of war ~ Plato

Game of Thrones

All men must die ... be unethically labelled.

The Hound

Post Traumatic Stress Disorder - an anxiety disorder associated with serious traumatic events and recurrent thoughts and images. PTSD develops after a terrifying ordeal that involved physical harm or the threat of physical harm. The person who develops PTSD may have been the one who was harmed, the harm may have happened to a loved one, or the person may have witnessed a harmful event that happened to loved ones or strangers.

John Snow

Martyr Complex - in psychology, a person who has a martyr complex, sometimes associated with the term victim complex, desires the feeling of being a martyr for his/her own sake, seeking out suffering or persecution because it feeds a psychological need. In some cases, this results from the belief that the martyr has been singled out for persecution because of exceptional ability or integrity. Other martyr complexes involve wilful suffering in the name of love or duty.
 

Tyrion Lannister

''I'm not a fighter, I'm a bleeder''

Small Man Syndrome - a popular term for the inferiority complex that short men in society are commonly assumed to possess, which causes them, at least per theory, to overcompensate by trying harder than men of average height in life’s activities.

Nothing some lemon cake won't sort out.

Sansa Stark
The Masochist - a person who obtains a primary or secondary gain from tolerating mental abuse from those in his or her circle of contact. The word  masochistic  is now commonly used to describe personality traits in an emotional, rather than sexual sense. 

Mag Mar Tun Doh Weg (Giant)
Marfan Syndrome - a genetic disorder that affects the body’s connective tissue. People with Marfan tend to be unusually tall, with long limbs and long, thin fingers. In most cases, Marfan syndrome is passed down through families (inherited). However, up to 30% of patients have no family history, which is called "sporadic." In sporadic cases, the syndrome is believed to be caused by a new gene change.

''Couldn't give a monkeys mate''

Joffrey Baratheon
Anti Social Personality Disorder - a type of chronic mental condition in which a person's ways of thinking, perceiving situations and relating to others are dysfunctional - and destructive. People with antisocial personality disorder typically have no regard for right and wrong and often disregard the rights, wishes and feelings of others. Those with antisocial personality disorder tend to antagonize, manipulate or treat others either harshly or with callous indifference. They may often violate the law, landing in frequent trouble, yet they show no guilt or remorse.

Reek
The Cataleptic - a body's persistence in unusual postures, with waxy rigidity of the limbs, mutism, and complete inactivity, regardless of outside stimuli.

He's available for children's parties too.

Ser Gregor Clegane
The Sadist - someone who enjoys inflicting pain on others; a sadist is all about hurting others, usually to get off sexually. However, this word is about more than sex. Anyone who is mean and enjoys it, like a bully, could be considered a sadist. The word sadistic is now commonly used to describe personality traits in an emotional, rather than sexual sense. Oh Mountain, you're going to be so annoyed when we explain all these jokes later.





 

Samwell Tarley
The Obese - excess body fat has accumulated to the extent that it may have a negative effect on health, leading to reduced life expectancy and/or increased health problems. I've seen less bloated men dredged out of rivers. Forget about White Walkers and sealing the tunnel, it's time to plug up Tarley's top-hole.

''Wat ye fookin say about me curls Snow?''

Ser Alliser Thorne

The Narcissist - an inflated sense of their own importance and a deep need for admiration. Those with narcissistic personality disorder believe that they're superior to others and have little regard for other people's feelings. But behind this mask of ultra-confidence lies a fragile self-esteem, vulnerable to the slightest criticism.


 

''Not to be technical brother, but according to Pycell's
chemistry - alcohol is a solution''

 

 

Cersei Lannister
Alcoholism - a chronic disorder marked by excessive and usually compulsive drinking of alcohol leading to psychological and physical dependence or addiction. Forget about the simple Lannister cousin and his beetle smashing, it's the grape apocalypse that's more concerning. I think it's time to put the plug in the jug.

 

 

Anyone for bitty?

Robin Arryn
Oedipus Complex - a child's positive libidinal feelings toward the parent of the opposite sex and hostile or jealous feelings toward the parent of the same sex that develop usually between the ages of three and six and that may be a source of adult personality disorder when unresolved - used especially of the male child.


 

 

 

''Twerkin' ye say?''

 

Grand Maester Pycelle
The Malingerer - fabricating or exaggerating the symptoms of mental or physical disorders for a variety of "secondary gain" motives, especially in order to shirk one's duty, avoid work, etc.

 

 

She seems vexed...and yet she looked
so relaxed in the bath this morning?

 

 

Jorah Mormont
Obsessive love - a hypothetical state in which one person feels an overwhelming obsessive desire to possess another person toward whom they feel a strong attraction, with an inability to accept failure or rejection.

 

Always. Always. Wear a helmet.

Oberyn Martell
The Sex Addict - ''Make sure you f**ked your fill before that day.''

The gene pool could do with a little chlorine

Lysa Arryn

Delusional Jealousy - a person with this delusion falsely believes that a spouse or lover is having an affair, with no proof to back up their claim. Othello Syndrome is a type of delusional jealousy, marked by suspecting a faithful partner of infidelity, with accompanying jealousy, attempts at monitoring and control, and sometimes violence. The problem is named for Shakespeare’s Othello, who murdered his beautiful wife Desdemona because he believed her unfaithful.



 

Hodor's date night was heating up.

Bran Stark
The Psychotic -  an abnormal condition of the mind, and is a generic psychiatric term for a mental state often described as involving a "loss of contact with reality".

Tywin Lannister
The Megalomaniac - ruthless, ambitious, amoral and the lust or craving for power. An arrow hurts just the same whether it's on the Iron Throne or the porcelain throne.

Drogon
The Pyromaniac - a mania for fire setting.










Podrick Payne
Casanova - What happened in that room?

Walder Frey
The Wedding Crasher
Back stabber
Bastard
[insert your own]

''It's sweaty balls up in here...''

Varys
Castration Complex - I suppose?

The armour discretely covered
her 'Who's the man' tattoo

Brienne of Tarth
Masculinity Complex - looks as though she could punch a train unconscious. Enough said.







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''Never forget what you are, for surely the world will not. Make it your strength. Then it can never be your weakness. Armour yourself in it, and it will never be used to hurt you.''
                                         ~ George R.R. Martin, A Game of Thrones    

Hurricane Blow

After hurricane Katrina in 2005, 1,836 people died and over 214,000 homes were damaged or destroyed. Many suffered depression and post traumatic stress, and as a result the demand for illegal drugs sky-rocketed. Squatters raided the abundant empty properties that now lay vacant for anything they could get their hands on. Favourites included prescription meds such as Adderall and Ritalin. Addicts described their delight at pill bottles that lay scattered in the streets after the flood waters subsided. They were now consumers of a derelict environment that was a mecca for drugs.

 

Before Katrina hit, over 67% of the population was African-American, one in eight did not return. One drug dealer stated that, ''after Katrina the skin colour of my clients changed'' and stating that most of his clients are now 'gutter punks' - young, white, homeless travellers.

 

The murder rate in New Orleans is ten times the national average. It was a violent city before the infamous storm, but with the explosion of small time drug dealers fighting over turf, violence has spread to new parts of the city.

Did the drugs flow help re-build New Orleans? Citizens found themselves awash with government relief money. Many used it to get back on their feet but some used it to self-medicate. Money that was handed out for things such as rent allowance didn't always find it's intended use. One man spending his $5000 relief money on an instalment of $2000 of marijuana to become a small time dealer.

 

Hurricane Katrina dramatically changed the drug trade in New Orleans. After the hurricane people were devastated and drug dealers saw this as an opportunity. New Orleans is not the city to kick a habit. Small time dealers are now scattered across the city making more drugs available to more people. Until the next hurricane, The Big Easy will remain the city that sobriety forgot.

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Louis Armstrong smoked weed everyday, so what's new?