Psy 123_Lec 17 Conscious Free Will

To the left are ct scans taken before her death

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Unformatted text preview: ss. Disorders of Consciousness! Terri Schiavo! Terri spent 15 years in a “persistent vegetative state”! To the left are CT scans taken before her death. Neuropathologists found during an autopsy after her death that there was virtually no cerebal cortex left.! Can tell when someone has absolutely no conscious awareness whatsoever -- so if they have a brain injury that disrupts all cortical processing. This was the issue w/ Terry Schiavo. She was in a vegetative state for 15 years & husband wanted to disconnect her from life support, and her parents wanted to keep her alive. Vegetative State: ! Disorders of Consciousness! Owen, 2008! “A diagnosis of vegetative state is only made after repeated examinations that have yielded no evidence whatsoever of sustained, reproducible, purposeful, or voluntary behavioral response to visual, auditory, tactile, or noxious stimuli. Enough brain activity to keep There must also be no evidence of language comprehension or expression, although there is generally sufficiently them alive w/ preserved hypothalamic and brain-stem autonomic functions to permit survival with medical care. Unlike patients in ventalators, feeding tubes, etc. coma, the vegetative state is characterized by cycles of eye closure and eye opening giving the appearance of a sleep/ wake cycle. It is this waking pattern, combined with the wide range of reflexive responses that are often observed in vegetative patients, that can result in this activity being misinterpreted as evidence of volitional behavior and even the return of conscious awareness.”! Minimally Conscious State: ! In this case, looks alot like vegetative state; but usually some kind of evidence of voluntary or purposeful movement; must be some level of conciousnes “The minimally conscious state is a relatively new diagnostic category and describes patients who show limited but clear evidence of awareness. Some vegetative patients pass through the minimally conscious state on the road to further recovery, while others remain minimally conscious indefinitely. Like vegetative patients, cycles of eye closure...
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This note was uploaded on 01/18/2014 for the course PSY 123 taught by Professor Staff during the Fall '11 term at UCSB.

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