Death Flashcards

0
Q

The neurological standard for death is a “permanent cessation of the critical functions of the organism as a whole… respiration and circulation, neuroendocrime, and homeostatic regulation, and consciousness” … the “irreversible cessation of the organism as a whole”

A

.

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1
Q

Physicalism fits with the neurobiological view that the mind…

A

is the experience of what the brain does

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2
Q

Core components of near-death experiences

A

bright light and tunnel, seeing dead people/ghosts, a feeling that one is dead, out of body experience, positive emotions

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3
Q

David Hume, of the philosophical tradition of _____, was among the first to question ____

A

skepticism; miracles associated with “coming back from death”

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4
Q

Nelson and colleagues suggested that the light at the end of the tunnel can be explained by visual activity during ______, which occurs when the blood and oxygen supply to the eye is depleted.

A

retinal ischemia

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5
Q

Phosphene

A

Seeing light without light entering the eye

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6
Q

Low blood pressure, fainting, or high magnetic fields can all cause ___

A

phosphene

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7
Q

Sufferers of ____ and ____ can have an increased propensity to have a near-death experience.

A

Migraines; epilepsy

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8
Q

Glaucoma can result in a loss of peripheral vision leading to ____

A

tunnel vision

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9
Q

Tunnel vision is associated with ____ and ____, two processes common to dying

A

fear and hypoxia

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10
Q

Blackmore points out that the visual cortex is organized by cells that process peripheral and fovea (i.e. central) vision and excitation of these cells may result in ….

A

a central bright light and dark periphery, that is, a tunnel effect

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11
Q

Stimulation of the _____ can cause out-of-body experiences (Blanke)

A

right angular gyrus

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12
Q

It has been suggested that out-of-body experiences result from a failure to _____ from one’s body which results in the disruption of the phenomenological elements of self-representation

A

integrate multisensory information

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13
Q

Cotard syndrome

A

feeling dead

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14
Q

Anatomically, Cotard syndrome has been associated with the ________ and the _____ and has been described following trauma, during advanced stages of typhoid, migraines, schizophrenia, and MS.

A

parietal cortex; prefrontal cortex

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15
Q

Patients with ____ and ____ can have vivid hallucinations of ghosts or monsters

A

Alzheimer’s; Parkinson’s

16
Q

Vivid hallucinations can be associated with grey matter decreases in the ____

A

parietal lobe

17
Q

Charles-Bonnet syndrome results from _______, causes visual hallucinations

A

macular degeneration

18
Q

Imaging studies conducted on Charles-Bonnet patients reveal increased activity in the ______ in the absence of visual stimulation

A

perceptual areas of the brain- visual and extrastriate cortices

19
Q

The content of hallucination was associated with _______ of the brain region

A

functional specialization

20
Q

One theory is that hallucination occurs during the ______ in brain structures nearby the damaged area

A

compensatory over-activation

21
Q

Stimulation of the _____ gave the patient a sensation of a shadowy person lurking behind

A

left angular gyrus

22
Q

Blanke and colleagues showed that during electrical stimulation a patient felt the sensation that somebody was behind her who could not speak or move. A similar experience can occur during

A

sleep paralysis

23
Q

At varying doses, the administration of ____ can mimic the euphoria, dissociation, hallucinations and spirituality of out-of-body and near-death experiences

A

ketamine

24
Q

Ketamine is sometimes used as an anesthetic through its binding with ____ and hallucination may occur through inhibiting NMDA receptors, the same receptors that are evoked during the administration of recreational drugs like amphetamine

A

opioid receptors

25
Q

Reward processes may occur naturally and similar systems are evoked when animals are under extreme danger. For example, ______ and ___ systems become active when an animal is under predatory attack

A

dopamine, opioid