ABI And Mental Health Flashcards
What are the innate fears in amygdala ?
- fear of suffocation
- fear of isolation
- fear of debilitating injury
What is the effect of cortisol on our brain functions ?
Cortisol decreases the production of Brain Derived neurotrophic factor and therefore reduces neuro plasticity. Patient will have a reduced ability to learn.
What happens after six months of repeated unpredictable stress ?
Cortisol toxicity create free radicals poisoning the brain. Toxicity affects hypocampus.
HPA axis becomes the default mode.
What are the symptoms of mental health issue in TBI ?
- worsening headaches
- light and sound hypersensitivity
- sleep disturbances
- attention and working memory issues
- anxiety
- depression
What are the symptoms of post concussion syndrome
If mental health issue symptoms last for more than 3 weeks.
What are the affective disorders following a TBI ?
- Major depressive disorder
- Bipolar (manic/depressive)
- Euthemyc bipolar
What are the stress related disorders following TBI ?
- General anxiety disorder
- Social anxiety disorder
- PTSD
- specific phobia
What are the biological symptoms of affective disorders ?
- eating disorders
- constipation
- sleep disorders
What are the psychological symptoms of affective disorders ?
- unstable mood
- anxiety and irritability
- lack of motivation and isolation
- hypochondria
- attention disorder
- memory impairment
- delusional guilt
- suicidal thoughts
- idiopathic pain
- fatigue
What are the executive functions ?
It’s a group of cognitive operations supported by overlapping neural networks, essential for managing information and managing one self:
- attention
- working memory
- self control
- response inhibition
What are the symptoms of dysexecutive syndromes ?
- lack of motivation
- diminished attention
- diminished inhibitory control
- impaired ability to access memory
- impaired memory consolidation
- impairment in anticipation of
- difficulty in goal selection
- difficulties in planning
- delayed sequencing motor behavior
- impairment in Visuospatial processing
- deficit in verbal / non verbal expression
What are the symptoms of dlPFC syndrome?
- abulia
- apathy
- psychomotor slowing
- preservation
What are the functions of dlPFC ?
Dominant: motor strategy
Non dominant: behavioral strategy
What are the symptoms of OFC syndrome ?
Affects mostly social behavior and decision making. « going through personality changes».
- childlike euphoria
- facetious humor
- shallow effect (same reaction for all emotions)
- social dishinibition
- impulsivity
- distractibility
What are the symptoms of mPFC syndrome ?
More common in vascular damage.
- paucity of spontaneous movement especially in gesticulation
- sparse verbal output with preserved repetition
- loss of movement control and sensitivity in lower extremities
- incontinence
