Unit 4 - Lateralization

Question 1

The cerebral hemispheres interact through the large white matter tract called ______________.

Answer 1

corpus callosum

Question 2

The _______ cerebral hemisphere controls verbal abilities and handedness

Answer 2

left

Question 3

The _________ cerebral hemisphere controls visuospatial and attention abilities

Answer 3

right

Question 4

When studying lateralization, __________ presentations are used for auditory processing and _________ presentations are used for visual processing.

Answer 4

dichotic, tachistoscopic

Question 5

Presentation of separate sounds to each ear through headphones

Answer 5

Dichotic listening

Question 6

During a dichotic listening task there is better detection of auditory information delivered to the _______ ear (left hemisphere).

Answer 6

right

Question 7

Auditory asymmetry in the planum temporale is larger in the _____ hemisphere in most individuals.

Answer 7

left

Question 8

Brief (less than 150 ms) presentation to just the left visual field (LVF) or right visual field (RVF)

Answer 8

Tachistoscope test

Question 9

The _______ visual field in the _______ hemisphere is generally better at responding to verbal stimuli.

Answer 9

right, left

Question 10

The ______ visual field in the ______ hemisphere is generally better at responding to faces, objects, and spatial stimuli

Answer 10

left, right

Question 11

Surgery developed in the 1960s to control severe epilepsy by severing the corpus callosum

Answer 11

Split-brain

Question 12

In right-handed people ___% have language dominance in the left hemisphere

Answer 12

95

Question 13

In left handed people ____% have language dominance in the left hemisphere.

Answer 13

75

Question 14

A test to isolate one hemisphere by anesthetizing the other

Answer 14

Wada test

Question 15

The transmission of information between individuals

Answer 15

communication

Question 16

Communication in which arbitrary sounds or symbols are arranged according to grammar to convey an almost limitless variety of concepts

Answer 16

Language

Question 17

Limited span of time during which language exposure and practice must occur for language to develop normally

Answer 17

sensitive periods for language

Question 18

There is evidence that certain genes, such as the ______ genes, are particularly important to language development

Answer 18

FoxP2

Question 19

Impairment in language production or understanding caused by brain injury

Answer 19

Aphasia

Question 20

Aphasia is usually associated with damage to the ______ hemisphere

Answer 20

left

Question 21

Impairment in writing

Answer 21

agraphia

Question 22

Impairment in reading

Answer 22

alexia

Question 23

Motor impairment: difficulty making sequences of movement

Answer 23

Apraxia

Question 24

Region of the left inferior frontal region involved in speech production

Answer 24

Broca’s area

Question 25

Difficulty producing speech, reading and writing impaired, and language compression often intact

Answer 25

Broca’s aphasia

Question 26

Region of the left posterior temporoparietal cortex involved in language comprehension

Answer 26

Wernicke’s area

Question 27

Difficulty comprehending language, product lots of verbal output with paraphasias and nelogisms, have difficulty repeating words or sentences

Answer 27

Wernicke’s Aphasia

Question 28

White matter tract connecting Wernicke’s area to Broca’s area

Answer 28

Arcuate Fasciculus

Question 29

Damage to the arcuate fasciculus causes ________ aphasia; difficulty in repeating speech, may retain language comprehension and basic speech production

Answer 29

Conduction

Question 30

The ____________ model of aphasia demonstrates that language deficits arise from disconnection among regions in the language network

Answer 30

Connectionist