11 a.b.b. frontal lobe syndromes Flashcards
1
Q
frontal lobe domains
A
- restraint
- initiative
- order
2
Q
frontal lobe functions
A
- working memory
- shifting cognitive set
- selective attention
- integrating info from limbic + heteromodal association cortex
3
Q
what controls executive control of cognition? executive control of social emo behavior?
A
- lateral prefrontal cortex
2. VMPC
4
Q
what is the somatic marker hypothesis?
A
-attributes patient’s inability to make advantageous decisions in real to a defect in emotional (somatic) mech
5
Q
what happens with patients deprived of emo/somatic signal?
A
- rely on cost-benefit analysis
1. degrade speed of deliberation
2. degrade accuracy
6
Q
anatomical sectors for WM and decision making
A
- WM = dorsolateral + ventrolateral
- Decision = ventromedial + orbitofrontal
7
Q
region for motor impulse control
A
anterior cerebral cortex
8
Q
region for cognitive impulse control
A
lateral PFC
9
Q
what tests cognitive impulse control?
A
- wisconsin card sorting
- stroop
10
Q
signs of PFC damage
A
- flat affect
- lack of self awareness