Responses to Trauma Flashcards
What are some physical reactions to trauma?
Muscle tension Headaches Nausea Shakes and tremors Choking sensation Palpitations Dizziness
What are some trauma-related risk factors to mental illness?
Sudden, unexpected events Man-made rather than natural events Prolonged exposure Perceived threat to life Multiple deaths/mutilation Dose response relationship (proximity) Personally relevant factors- child involvement/ identification with the victim or family
What types of traumatic event may cause mental illness?
Rape-associated with highest incidence of PTSD
Combat exposure
Childhood neglect and physical abuse
Sexual abuse
Physical attack-threatened with weapon, kidnapped or held hostage
What happens when the limbic brain judges that neither fight or flight are possible and death or severe injury is inevitable?
It will evoke a freeze response
Describe freeze responses
To distant threat can be voluntary- stop, watch and listen pattern
When inescapable threat
-involuntary state of profound (reversible) motor inhibition
-especially when direct physical contact with predator/aggressor
What happens during a freeze response?
Body goes into shut down Altered state of reality The body becomes immobile Pain sensations are reduced An adaptive and protective last ditch response
What contributes to developing traumatic stress?
When the trauma is overwhelming
When there is a threat to body integrity/safety
When witnessing death/injury to a loved one
When in such situations one experiences intense
fear, helplessness or horror
What are the two types of trauma?
Type 1-simple
Type 2-complex
What are the symptoms of PTSD?
Cognitive disturbances-low self esteem, self blame, hopelessness, pre-occupation with threat
Mood disturbances/emotional dysregulation
Somatisation
Identity disturbance
Chronic interpersonal difficulties
Dissociation
Tension reduction activities
What happens in the resolution of the stress response?
Parasympathetic system kicks in: Muscles relax Skin becomes warm Pupils return to normal Attention can be refocused Heart rate slows Blood pressure is reduced Eat, digest and rest and growth can begin
What does the hippocampus do in the limbic brain?
Locates memories in the right time, place and context
What does the amygdala do in the limbic brain?
Stores emotionally charged memories, and connects to medial prefrontal cortex
What does the medial prefrontal cortex do?
Regulates emotional and fear responses
What is the cognitive model related to PTSD?
Suggests that PTSD arises if the person processes a traumatic event/consequences as if to generate a sense of current threat
Describe trauma memories
Easily triggered Difficult to translate into words Fragmented Affect laden Inability to recall some aspects of the trauma