Parietal and Temporal Lobes

Question 1

polymodal PG (parietal area) responds to what inputs

Answer 1

somatosensory and visual inputs

Question 2

what parietal area is much bigger in humans

Answer 2

polymodal PG and STS

Question 3

both STS and PG are larger in

Answer 3

right hemisphere

Question 4

the third visual pathway and that responds to various combos of auditory, visual and somatosensory inputs

Answer 4

superior temporal salcus (STS)

Question 5

visual processing areas in parietal cortex (dorsal stream)

Answer 5

intraparietal salcus and parietal reach region

Question 6

intraparietal salcus helps control?

Answer 6

saccadic eye movements

Question 7

involuntary, abrupt, and rapid small movements made by the eyes when changing the fixation point

Answer 7

saccade

Question 8

PE, PF, and PG are all …

Answer 8

connections of the parietal cortex

Question 9

Area PE receives inputs from ? and outputs to?

Answer 9

• primary somatosensory cortex

- primary and secondary motor outputs and PF

Question 10

guiding movement by providing info about limb position is due to what parietal area

Answer 10

area PE (area PE is somatosensory)

Question 11

area PF receives info from ? through (3) ?

Answer 11

primary somatosensory cortex through PE, primary cortex and premotor cortex and small visual input through PG

Question 12

specifying movement goals and understanding visually what is going on and integrating in motor systems and visual awareness is due to what parietal area

Answer 12

area PF

Question 13

what area receives more complex connections

Answer 13

area PG

Question 14

what connections does area PG recieve (6)

Answer 14

-Visual, auditory (understand where things are visually and auditorily)
– Somesthetic (skin sensation
– Proprioceptive (position of self/movement) – Vestibular (balance)
– Oculomotor (eye movement) (important for understanding where things are in space)
– Cingulate (motivation)

Question 15

parieto-temporal-occipital crossroads describes what parietal area

Answer 15

area PG

Question 16

3 dorsal pathways that leave the posterior parietal region

Answer 16

parieto-premotor (the how pathway)
parieto-prefrontal (visuospatial functions)
parieto-medial temporal (spatial navigation)

Question 17

the parieto-medial temporal pathway goes to ?

Answer 17

hippocampus and parahippocamp regions

Question 18

how does the posterior parietal cortex contribute to the dorsal stream

Answer 18

by participating in non conscious visuospatial behaviors (ex grasping and reaching)

Question 19

anterior zones of parietal lobe does?

Answer 19

processes somatic sensations and perceptions

Question 20

posterior zone of parietal lobe does?

- plays a big role in ?

Answer 20

integrates info from vision with somatosensory info for movement and spatial function

• mental imagery
• object rotation and navigation through space

Question 21

lesions of post central gyrus of parietal lobes leads to (4)

Answer 21

• higher sensory threshold
• impaired position sense
• deficits in stereognosis, or tactile perception
• afferent paresis (clumsy finger movements due to lack of kinesthetic feedback about finger position)

Question 22

Inability to recognize nature of an object by touch

Answer 22

Astereognosis: disorder of tactile perception

Question 23

A failure to report a stimulus on one side

–> associated with damage to?

Answer 23

simultaneous extinction

-areas PE and PF

Question 24

Cannot feel stimuli and cannot feel touch, but can report the location of the touch (you could burn them and they wouldn’t feel it, but they could tell you where they got burned
- can be caused by lesions to

Answer 24

numb touch (blind touch) 
PE and PF and some of PG

Question 25

Loss of sense of one’s own body; most commonly affects left side of body. (because lesion predominately in the right side)

Answer 25

Asomatognosia

Question 26

Unawareness or denial of illness

Answer 26

anosognosia

Question 27

indifference to illness

Answer 27

anosodiaphoria

Question 28

Absence of normal reactions to pain such as withdrawal

Answer 28

asymbolia for pain

Question 29

inability to localize/ name body parts

Answer 29

autopagnosia

Question 30

patients begin to respond to stimuli on the neglected side as if stimuli were on unlesioned side of the body or space

Answer 30

Allesthesia

Question 31

during recovery of contralateral neglect, patients go through?

Answer 31

allesthesia and then simultaneous extinction

Question 32

contralateral neglect is generally caused by damage to? and more specifically ? and ?

Answer 32

right inferior parietal lobe, right intraparietal salcus, right angular gyrus

Question 33

inability to write, see or read words on one side

Answer 33

neglect paralexia

Question 34

ignoring one half of the page while typing is a sign of

Answer 34

neglect paragraphia

Question 35

not shaving half your face is a sign of

Answer 35

personal neglect

Question 36

is a movement disorder, where loss of skilled movement is not attributable to muscles problems, poor comprehension, or other movement disorders (e.g., tremor

Answer 36

apraxia

Question 37

apraxia is caused by disruptions in ?

Answer 37

parietofrontal connections

Question 38

2 types of apraxia

Answer 38

Ideomotor – Unable to copy movement or make gestures (e.g., hand-waving) • Constructional – Spatial organization is disturbed (e.g., cannot assemble puzzles, draw a picture)

Question 39

visual and auditory info of the temporal lobe converges at the ?

Answer 39

superior temporal salcus

Question 40

the medial temporal projection of the temporal lobe runs from the ? to the ?

Answer 40

auditory and visual association areas to the hippocampus, amygdala or both

Question 41

what connection of the temporal lobe is crucial for long term memory

Answer 41

medial temporal projection

Question 42

what connection of the temporal lobe is for movement control, short term memory and affect

Answer 42

frontal lobe projection

Question 43

cross modal matching occurs where

Answer 43

superior temporal salcus

Question 44

what functions to provide an affective response *function of temporal lobe)

Answer 44

amygdala

Question 45

what plays a role in spatial navigation? (function of the temporal lobe)

Answer 45

hippocampus

Question 46

what brain part plays a role in social cognition (function of temporal lobe) and what does it do

Answer 46

superior temporal salcus - analyzes biological motion - movements with species specific social meaning

Question 47

Theory of mind that allows us to develop hypotheses about other people’s intention

Answer 47

social cognition

Question 48

Verbal Memory Deficits and Deficits processing speech sounds would come from damage to?

Answer 48

left temporal lobe

Question 49

affected Nonverbal memory (e.g., faces) and Deficits processing music would come from damage to ?

Answer 49

right temporal lobe