Attention II

Question 1

hemispatial neglect

Answer 1

• patient fails to acknowledge contralesional (opposite of lesion) stimuli; e.g. drawing a clock
• neglect exists as a gradient without a clear midline

Question 2

serial vs. parallel process theories

Answer 2

• serial: display size affects reaction time; we can’t attend to everything simultaneously
• parallel: display size doesn’t affect reaction time
• pop-out: no display size effect at all

Question 3

feature integration theory (FIT)

Answer 3

• object -> pre-attentive stage (features are separate) -> focused attention (features are filtered and in conjunction) -> perception

Question 4

central capacity vs. multiple resource models

Answer 4

• central capacity theory: limited resources, applied to multiple tasks
• multiple resource model: selective interference depending on the type of resource needed