Post Traumatic Stress Disorder

Unlocking brain treatment potential from MRI data

Magnetic resonance imaging (MRI) plays a vital role in medical and neuroscience research as a non-invasive, highly sensitive way of imaging both physical structures and activity inside the human brain. The data from each ...

Jun 27, 2016
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New study of the memory through optogenetics

Raül Andero Galí, one of the heads of the "Neurobiology of Stress and Addiction" research group at the Institut de Neurociències (INc) of the Universitat Autònoma de Barcelona (UAB) and researcher at Harvard University, ...

Jun 01, 2016
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Why bad experiences are remembered out of context

Bad experiences can cause people to strongly remember the negative content itself but only weakly remember the surrounding context, and a new UCL study funded by the Medical Research Council and Wellcome Trust has revealed ...

May 10, 2016
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Posttraumatic stress disorder (PTSD) is a severe anxiety disorder that can develop after exposure to any event that results in psychological trauma. This event may involve the threat of death to oneself or to someone else, or to one's own or someone else's physical, sexual, or psychological integrity, overwhelming the individual's ability to cope. As an effect of psychological trauma, PTSD is less frequent and more enduring than the more commonly seen acute stress response. Diagnostic symptoms for PTSD include re-experiencing the original trauma(s) through flashbacks or nightmares, avoidance of stimuli associated with the trauma, and increased arousal—such as difficulty falling or staying asleep, anger, and hypervigilance. Formal diagnostic criteria (both DSM-IV-TR and ICD-10) require that the symptoms last more than one month and cause significant impairment in social, occupational, or other important areas of functioning.

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