CH 6 Consciousness (TERMS)

Question 1

Consciousness

Answer 1

A limited number of thoughts to another stream of a limited number of thought — flows like a stream

Question 2

Isolation aphasia

Answer 2

Occurs when the speech mechanism is intact and connected to the auditory cortex but is isolated from association areas responsible for comprehension and production. This allows individuals to repeat speech and learn new word sequences but prevents meaningful communication and spontaneous speech

Question 3

Blindsight (1,3)

Answer 3

An ability to utilize visual information despite a complete lack of awareness of seeing

• Brain can’t consciously experience visual information
• Visual information goes to mid-brain (old structure), so that’s how they “see” = their body/unconscious mind sees

ex. A person with blindsight, who believes they are blind, can still guess correctly if a light is on or off—despite not consciously seeing it)

Question 4

Split-brain (1,1)

Answer 4

Independent operation of each hemisphere through severance of the corpus callosum

ex.

Left hemisphere is verbal; Right hemisphere is verbal

Person is asked what an object is:

• Perceived from left-hemisphere= They will speak what the object is
• Perceived from right-brain= Person will point at object

Question 5

Hypnosis

Answer 5

Systematic procedure involving deep relaxation which tends to promote a heightened state of suggestibility

Question 6

Social roleplaying (1,4)

Answer 6

• Hypnosis theory

People act out the role of a hypnotic subject and behave accordingly (bias effect, conformity, suspension of self-control)

• No change in pattern of EEG activity
• Non-hypnotized subjects can be induced to perform the same behaviours
• Recovery of memory very unreliable

Question 7

Altered state of consciousness

Answer 7

• Hypnosis theory
• Effects of anesthesia
• Looks at dissociation
• Divided consciousness common under normal conditions (e.g., highway hypnosis: a mental state in which a person drives for a long distance but has little or no memory of it)

Question 8

Dissociation

Answer 8

A splitting off of mental processes into two separate, simultaneous streams of awareness

Question 9

REM sleep behaviour disorder

Answer 9

Absence of paralysis while dreaming

Question 10

Narcolepsy

Answer 10

Sleep disorder that causes extreme tiredness and sudden sleep attacks during the day

• Direct REM-like onset with paralysis
• Influenced emotional states