Final - Exam (10/13) - [Exam 3 - Section 2] Flashcards
- commissurotomy-
- Split brain patients
Epilepsy can cause changes in function of _________ and cerebral development
hemispheres
- commissurotomy-
- Split brain patients
Function of hemispheres in patients do not reflect function of _________ brain – can be reorganization of function
-Inconsistent findings from patients with _________
- healthy
- lesions
Functional asymmetry - Brain Stimulation
Can be used to determine _________ in conscious patients undergoing surgery
function
Brain Stimulation can _________ function or _________ function
- block
- stimulate
Stimulation of left hemisphere blocks on-going _________, no effect on speech from stimulation of _________
- speech
- right
Stimulation of right hemisphere blocks interpretation of _________ expressions, short-term _________ for faces etc.
- facial
- memory
Stimulation of right temporal lobe stimulates recall of _________
memories
Stimulation of left frontal or temporal regions speed up _________
speech
Functional asymmetry
- Carotid _________
Can anesthetize one hemisphere if injected into carotid artery in ipsilateral hemisphere
sodium amobarbital
Functional asymmetry
- Carotid sodium amobarbital
Can anesthetize one hemisphere if injected into _________ in ipsilateral hemisphere
carotid artery
_________ carotid artery injection – no movement on right side of body (hemiparesis), no speech, loss of vision in right visual field
Left
Left carotid artery injection – no movement on right side of body (hemiparesis), no _________, loss of vision in _________ visual field
- speech
- right
_________ carotid artery injection – no speech loss,
hemiparesis of left side of body, loss of vision in left
visual field
Right
Right carotid artery injection – no speech loss, _________ of left side of body, loss of vision in _________
visual field
- hemiparesis
- left
Right carotid artery injection – produces _________ and _________ symptoms on the left
- sensory
- motor
__% right-handed people and __% of left-handed
people – left hemisphere predominantly controls
speech
- 98
- 70
888888888
_________ % of population left-handed
10 – 30
In majority of population, more _________ fibers descend to right hand than left hand
-neural
Corpus callosum is larger in _________-handed and ambidextrous people
left
888888888
Injury early in life may cause a shift in _________
handedness
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Handedness likely due to _________ and environmental influences
polygenic
Males are better at some but not all _________ tasks*
spatial
Mathematical _________ - women better than men
calculation
Mathematical _________ - Men better than women
reasoning
Verbal abilities (Story) - _________ better than _________
- Women
- men
Finding patterns - _________ better than _________
- Men
- Women
Remembering displaced objects - _________ better than
- Women
- men
Mentally rotating object - _________ better than _________
- Men
- Women
Precision fine motor coordination - _________ better than _________
- Women
- men
Target directed motor skills - _________ better than _________
- Men
- Women
Matching items in perceptual tests - _________ better than _________
- Women
- Men
Visualizing holes punched in paper - _________ better than _________
- Men
- Women
Men have _________ brains than women
larger
Women have more _________ connections - more efficient
neural
Women generally better at _________ skills
language
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Asymmetrical planum temporale more common in _________
-Left larger than right
-men
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Asymmetrical planum temporale more common in men
- _________ larger than _________
- Left
- right
88888888
Left lateral fissure – longer and more asymmetrical in _________
men
88888888
Fingerprints – _________ hand has more ridges than _________ but asymmetry more common in women
- right
- left
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Fingerprints – right hand has more ridges than
left but asymmetry more common in _________
women
_________ testicle usually larger
Right
_________ breast in women usually larger
Left
More fibers in _________ and anterior commissure in women
corpus callosum
More fibers in corpus callosum and anterior commissure in _________
women
88888888
Left lesions in _________ – decreased verbal and performance IQ
women
88888888
Left lesions in women – decreased verbal and _________
performance IQ
88888888
Left lesions in _________ – mainly decreased verbal IQ
men
88888888
Right lesions in _________ – no deficits
women
88888888
Right lesions in _________ – decreased performance IQ
men
Left lesions cause _________ (inability to make or copy voluntary movements or make proper use of an object
apraxia
_________ -inability to make or copy voluntary movements or make proper use of an object
apraxia
apraxia and aphasia
Left frontal lesions in _________
Left posterior lesions in _________
- women
- Men
apraxia and aphasia
Left _________ lesions in women
Left _________ lesions in men
- frontal
- posterior
Males more likely to show _________ reorganization after left hemisphere _________ than females
- cerebral
- injury
