Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

1. Psychiatry > PTSD + Trauma > Flashcards

PTSD + Trauma Flashcards

1
Q

What is a type 1 trauma?

A

single incident trauma that is unexpected

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What is a type 2 trauma?

A

ongoing abuse that is repetitive and expected

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What type of trauma leads to a higher risk of PTSD?

A

type 2 - 3 fold increase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Where does your fight or flight response originate?

A

PAG or ventral tegmental area

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What happens when there is an unescapable threat?

A

tonic immobility occurs

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What is tonic immobility?

A

involuntary state of motor inhibition eg rigidity, paralysis, muscle tremors, chills, decreased vocalisation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What is the role of the Reptillian brain?

A

helps to escape from predators

the brain activity shifts from ventromedial prefrontal cortex -> periaqueductal gray in the midbrain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What does activity in PAG correlate to?

A

dread of being captured

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What is the criteria for PTSD?

A 
traumatic event
intrusive symptoms - flashbacks 
avoidance symptoms
negative alteration in cognition and mood
duration >1month
increased arousal and reactivity 
distress and impairment in social or occupational functioning 
MAY HAVE:
depersonalisation and derealisation
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What does depersonalisation mean?

A

observing yourself from a distance

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What does derealisation mean?

A

world around you doesnt feel real

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

What is complex PTSD?

A 
PTSD symptoms AND:
cognitive disturbances - low self esteem, self blame, hopelessness etc
identity disturbance
emotional dysregulation 
chronic interpersonal difficulties
dissociation
somatosisation
tension reduction activities = binge eating and purging, self mutilation
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

What is the hippocampus responsible for?

A

the stress response

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

What is seen in the hippocampus due to PTSD?

A

decreased size - due to high cortisol levels and receptor levels

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What is the role of the amygdala?

A

role in fear during both trauma and its recollection

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

What are the 3 regions of the brain?

A

mammalian brain/limbic system
reptillian brain
frontal cortex

17
Q

What is the mammalian brain responsible for?

A

emotional and somatosensory memory

attachment

18
Q

What is the reptillian brain responsible for?

A

autonomic arousal

instinctive responses/impulses

19
Q

What is the frontal cortex responsible for?

A

regulatory abilities

cognitive and executive functioning

20
Q

What is LTP? What is its role?

A

a chemical substance, released from the hippocampus that processes connecting axons and dendrites to make new memories

21
Q

Where is LTP generated?

A

hippocampus

22
Q

What is a risk factor for PTSD?

A

an already small hippocampus

23
Q

What is the order of the limbic system?

A

sensory input -> thalamus -> amygdala -> storage

24
Q

What part of the limbic system do olfactory inputs bypass?

A

thalamus

25
Q

What is the role of the thalamus in the limbic system?

A

determine whether to pay attention to the stimulus

26
Q

What is the role of the amygdala in the limbic system?

A

determines whether there should be a stress or fear response

27
Q

What happens when you are triggered by an unpleasant stimulus?

A

one sensory input from the limbic system is stored and released

28
Q

What is the overall role of the limbic system?

A

set of structures that control emotion

29
Q

What does an overactive insula lead to?

A

dissociation - you’re not aware of your own body

30
Q

What happens if the left hand side of the brain in underactive?

A

a traumatic event just keeps repeating as the RHS is incontrol of emotional memory and the LHS puts it into contex

31
Q

What happens to Brocas area when an individual thinks about a traumatic memory?

A

deactivation and reduced blood flow to brocas

32
Q

What are the two best therapies for PTSD?

A

CBT and EMDR

33
Q

What medications can be given for PTSD if CBT and EMDR are unsuccessful?

A

SSRIs

Tricyclic antidepressants

1. Psychiatry (23 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions