2nd Exam

Question 1

consciousness

Answer 1

1. the subjective experience of perceiving oneself and one’s surroundings
2. (operational definition) you are conscious of something if you can report it in words

Question 2

brain death

Answer 2

the brain shows no activity and no response to any stimulus

Question 3

in a ________, caused by traumatic brain damage, the brain shows a steady but low level of activity and no response to any stimulus, including potentially painful stimuli

Answer 3

coma

Question 4

someone starting to emerge from coma enters a ______

Answer 4

vegetative state

Question 5

define vegetative state

Answer 5

marked by limited responsiveness, such as increased heart rate in response to pain

Question 6

define minimally conscious state

Answer 6

people have brief periods of purposeful actions and speech comprehension

Question 7

define spatial neglect

Answer 7

a tendency to be unconscious of the left side of the body, the left side of the world, or the left side of objects

Question 8

damage in the left hemisphere seldom yields

Answer 8

neglect of the right side

Question 9

the alternation between seeing the pattern in the left retina and the pattern in the right retina

Answer 9

binocular rivalry

Question 10

what evidence suggests that we construct a conscious perception of a stimulus afterward instead of simultaneously with it?

Answer 10

a brief masked stimulus is not perceived consciously, but a slightly longer one is perceived as lasting the entire duration. Also, the perception of a first stimulus can be altered by a stimulus that follows it.

Question 11

give a hypothesis as to the purpose of consciousness

Answer 11

conscious thought is a way of rehearsing possibilities for future actions.

Question 12

during _____ we become less aware of our surroundings

Answer 12

sleep