PSYC 4600 Lecture Notes - Lecture 18: Necker Cube, Temporal Lobe, Visual Cortex
11 Dec 2016
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Awake vs. sleep/coma/anaesthesia: you (cid:272)a(cid:374) (cid:271)e awake a(cid:374)d still (cid:374)ot aware of what"s goi(cid:374)g o(cid:374) arou(cid:374)d you it"s o(cid:374) a continuum. Vegetative state: awake (sleep-wake cycle is present) but not aware. Minimally conscious state: awake and inconsistent awareness (intense stimulation can inconsistently produce sensations of awareness) Locked-in syndrome: awake and aware (paralyzed, lack voluntary motor/vocal responses, can move their eyes a bit) Controls: activity in the temporal lobe for passive auditory stimuli. Patient: same conditions produce the same preserved neural activity of auditory and visual. Present spoken sentences activity for word processing, comprehension (ambiguous vs. processing unambiguous words) Can you alter your response based on a command: imagine tennis lights up sma, navigating the rooms of your house pmc, ppc, and ppa. They understand the instructions and can respond using brain activity (10-20% of vegetative patients can do this usually) Used this capability to answer yes or no questions visualize tennis or sni.
