trauma Flashcards
what does ptsd do to the hippocampus
reduces the size
what does it mean if the right or left side of hippocampus is smaller
right side - adult trauma
left side - childhood trauma
where does activity go when someone is under threat
from cortex to the brainstem
intrusive phenomena
-recurrent distressing recollections
-nightmares
-flashbacks
-distress accompanying reminders
-physiological reactions
negative alterations in cognitions and mood symptoms
-amnesia for important aspects of trauma
-loss of interest in activities
-negative affect
-overly negative thoughts and assumptions about self
-exaggerated blame for causing traumatic events
-feeling isolated/detached
-difficulty experiencing positive emotion
-amnesia
alterations in arousal and reactivity
-sleep disturbance
-irritability and aggression
-concentration difficulties
-hyper vigilance
-exaggerated startle response
-risky and destructive behaviour
complex PTSD diagnosis
ICD - 11
-diagnosis consists of core PTSD symptoms PLUS
- negative self concept
-emotional dysregulation
-chronic interpersonal difficulties
what is type 1 trauma
single incident trauma
-sudden and unexpected
what is type 2 trauma
repetitive trauma
-ongoing abuse
-hostage taking
-betrayal of trust in primary caregiving relationship
-developmental trauma
biological findings of trauma
where is the activity in the brain found when someone experiences “dread of capture”
periaqueductal gray (PAG)
what is neuroception
how neural circuits distinguish whether situations or people are safe, dangerous or life-threatening
what does superior colliculi do
-orientation to social information is based in superior colliculi
neurobiological findings of trauma
psychological reactions from trauma
