Higher Cognition II

Question 1

three functions of attentional processes

Answer 1

• Orienting function toward the environment
• Partial control of the content of consciousness
• Maintaining alertness

Question 2

dif between attention and awareness

Answer 2

ATTENTION

• guides perception (conscious or not)
• is a filter
• focuses our awareness

AWARENESS

• what we can report from a scene
• is knowing

Question 3

(1) dissociate attention and awareness - ILLUSIONS

Answer 3

1. hollow face illusion (attention without awareness)

2. necker cube (attention without over awareness)

Question 4

(2) dissociate attention and awareness - PATIENTS

Answer 4

Blindsight: blind patients with lesions in V1 can still detect stimuli

attention without awareness

Question 5

(3) dissociate attention and awareness - EXPERIMENTAL

Answer 5

(A) INATTENTIONAL AWARENESS
-failure to notice a fully visable but unexpected object because attention was engaged in another task (e.g. gorilla)

(B) CHANGE BLINDNESS
-brief transitory event in visual field distracts attention.

Question 6

(4) dissociate attention and awareness - change blindness

Answer 6

Reddy et al.

Single neurons in humans can detect the change, this correlates with awareness but is modulated by attention