chapter 4: spatial organization in the visual cortex

Question 1

cortical magnification (dougherty)

Answer 1

large area on the cortex designated to a small area on the fovea

Question 1

brain imaging

Answer 1

creating a picture of brain activity

Question 2

cortical magingication factor

Answer 2

the size of cort mag

Question 3

fmri

Answer 3

activity inthe brain

Question 4

hypercolumn

Answer 4

a location column with all its orientation columns

Question 5

location columns

Answer 5

hubel and wiesel, dounf that the striate cortex is organized into location columns that are perpendicular to the surface of the cortex

Question 5

mri

Answer 5

structure of the brain

Question 6

orientation columns

Answer 6

each column contains cells that respond bes to certain orientations

Question 7

retinotopic map

Answer 7

electronic map of the retina on the cortex -> two points that are close together on an objject and on the retina will activate neurons that are close together in the brain

Question 8

spatial organziation

Answer 8

how different locations in the enviornmenet and on the retina are represented by activity at specofic locations in the visual cortex

Question 9

tiling

Answer 9

columns cover the entire visual field by having little ellipses over the photo (see photo in textbook)

Question 10

ablation

Answer 10

destruction or removal of tissue in the nervous system

Question 11

action pathway

Answer 11

dorsal, how a person takes an action (DF and the card slots )

Question 12

dorsal pathway

Answer 12

to the parietal lobe, where/how

Question 13

double dissociation

Answer 13

A brain damage can do task c but not d, B brain damage can do task d but not c

Question 14

how pathway

Answer 14

dorsal, has to do with an action

Question 15

landmark discriminatino problem

Answer 15

pick the food closest to the cylinder (parietal damage makes this hard)

Question 16

neuropsychology

Answer 16

study of the effect of brain damage on human

Question 17

object discriminaiton problem

Answer 17

figure out what object (rectangle solid vs square solid) (temporal damage makes this hard

Question 18

parahippocampal place area

Answer 18

the part of the brain that recognizes places and is activated by indoor and outdoor scenes

Question 19

prosopagnosia

Answer 19

difficulty recognizign the faces of familiar people

Question 20

ventral pathway

Answer 20

to the temporal lobe (what)

Question 21

what pathway

Question 22

where pathway

Question 23

distributed representation

Answer 23

when a stimulus causes neural activity in a number of different areas of the brain, so the activity i distributed across the brain

Question 24

expertise hypothesis

Question 25

extrastriate body area

Answer 25

activated by pictures of bodies and parts of bodies (but not faces)

Question 26

fusiform face area

Answer 26

the area of the brain that recognizes faces

Question 27

hippocampus

Answer 27

stores and processes memories (quiroga, hippocampus and vision)

Question 28

mind-body problem

Answer 28

how to physical processses like nerve impilse become tranformed into a perceptual expeirnce

Question 29

modularity

Answer 29

the idea that specific areas of the cortex are specialized to respons to speciic types of stimili

Question 30

modules

Answer 30

smaller parts inside the cortex that respond to specfic stimuli