11B attention

Question 1

What is Attention?

Answer 1

Selection of information for awareness

Question 2

conscious (attentive)

Answer 2

• slow, serial, limited capacity
• voluntary (feature-color or location)
• color selection is easy
• complex properties like baldness is not available preattentively

Question 3

involuntary attention

Answer 3

-unexpected events just grabs attention

Question 4

visual search experiments

Answer 4

• no matter how many objects
• same amount of time for horizontal bar, and more for if it is not present

-for more complex properties, the time increases constantly, even higher if absent

Question 5

Attention move independently of eyes

Answer 5

multiple targets
covert surveillance
tracking, individualization

Question 6

spatial resolution of attention

Answer 6

you can shrink the area of attention small, but not to smallest details
looking at center, see the bars but not attend to them by counting

Question 7

Temporal attention

Answer 7

-individuate events at slow speed
-rush of undifferentiated flicker when fast
focused attention -> better temporal representation

Question 8

intentional blindness

Answer 8

we are only aware of what we attend to

Question 9

Attention -> fading

Answer 9

motion interferes with or suppresses selection

Question 10

Deficits of attention = neglect

Answer 10

visual neglect

• half of visual world no longer matters
• ignoring left mental image
• problem with conciousness
• damage to dorsal pathway (parietal lobes) usually on the right side -> loss of attention to contralesional side

Question 11

Balint’s Syndrome

Answer 11

• can’t see two items at a same time
• bilateral parietal lobe damage
• limited awareness