Exam 3 Journal clubs Flashcards
(17 cards)
What happened to Phineas Gage
-Foreman working on the railroad
-Tamping rod misfired when he was bent over the hole
-Driving the rod into the left side of his face
-Out the upper right of his prefrontal cortex
How did Gage change
-He was responsible, sociable, kind before
-After he was erratic, and did not follow orders
What did Damasio discover about Gage
-He was normal intellectually and memory but his personality changed
What parts of the brain did caused the behavioral changes
Ventromedial prefrontal cortex
What does the ventromedial prefrontal cortex damage cause
-Unable to make rational decisions
-Emotional processing
-Personality change
What are SWS and sleep spindles
-Slow wave sleep (deepest stage, 3 and 4)
-Transient neural events with dense activity
Connection between ANS and sleep
-Strong association with memory preservation and memory
What is HRV
-Variance between consecutive heart rates
-Idea of arousal in ANS
-HF is high frequency
What is the RAT
-Memory test
-Patient given 3 words and they come up with the 4th
Whitehurst new findings
-ANS in REM sleep was linked to performance and memory
Neurovisceral integration model
-Suggest that heart rate and bodily functions are always monitored by the brain
What happened to H.M
-Bicycle accident when he was 7
-Caused epilepsy so bad he got a focal resection surgery
H.M findings
-Memory is separate from other cognitive functions
-Medial temporal lobe is heavily involved with memory
What regions was involved with H.M surgery
-Bilateral medial temporal lobe, specifically hippocampus, and parahippocampal gyrus
lWhat types of memory was eft intact with H.M
-Sensory memory and working memory, while LTM was not
What was discovered about H.M learning abilities
-He was able to learnt tasks without remembering doing so, skill based memory
H.M memory timeline
-He was able to remember things that happened 3+ years ago, so the damage is not at the storage sites
