Neuroscience EXAM 3\u2013 USA (Latest 2023\/ 2024 Update) Exam Prep with Questions and Verified Answers| 100% Correct| Grade A<\/p>\n\n\n\n
Neuroscience EXAM 3\u2013 USA (Latest 2023\/
2024 Update) Exam Prep with Questions and
Verified Answers| 100% Correct| Grade A
Q: this is the partial crossing of fibers where the optic nerves meet
Answer:
optic chiasm
Q: where do the nasal (medial) retinal fibers (responsible for temporal hemifields of vision)
crossover in the pathway?
Answer:
in the chiasm
Q: these are posterior to the chiasm and carry visual information from ipsilateral hemiretinas of
each eye
Answer:
optic tracts
Q: lesions to these areas result in monocular vision field deficits
Answer:
eye, retina, optic nerve
Q: lesions to this area results in bitemporal visual field deficits<\/p>\n\n\n\n
Answer: Q: lesions of the ipsilateral optic radiations cause what? Q: lesions to the temporal lobe cause what deficits? Neuroscience EXAM 3\u2013 USA (Latest 2023\/ 2024 Update) Exam Prep with Questions and Verified Answers| 100% Correct| Grade A Neuroscience EXAM 3\u2013 USA (Latest 2023\/2024 Update) Exam Prep with Questions andVerified Answers| 100% Correct| Grade AQ: this is the partial crossing of fibers where the optic nerves meetAnswer:optic chiasmQ: where do the nasal (medial) retinal […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[25],"tags":[],"class_list":["post-130309","post","type-post","status-publish","format-standard","hentry","category-exams-certification"],"_links":{"self":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/130309","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/comments?post=130309"}],"version-history":[{"count":0,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/posts\/130309\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/media?parent=130309"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/categories?post=130309"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.learnexams.com\/blog\/wp-json\/wp\/v2\/tags?post=130309"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
optic chiasm
Q: lesions to these areas posterior to the chiasm result in homonymous visual defects (defects in
the same region of the visual field for both eyes)
Answer:
optic tracts, LGN, optic radiations, visual cortex
Q: optic tracts wrap around the _ laterally to reach the <\/em><\/strong>of the thalamus
Answer:
midbrain; LGN
Q: axons of the ganglion cells traveling in optic tracts synapse on neurons in the , which then project to the<\/em><\/strong><\/em> _ <\/em><\/strong>
Answer:
LGN; primary visual cortex
Q: a minority of fibers in the optic tract bypass the LGN to enter the superior colliculus and
pretectal areas of midbrain to form the<\/em> __<\/em>
Answer:
extrageniculate visual pathways
Q: these areas are involved in the pupillary light reflex
Answer:
pretectal areas<\/p>\n\n\n\n
Answer:
homonymous defects affecting the contralateral visual field
Q: ipsilateral optic radiations carry info from (contralateral or ipsilateral?) visual fields
Answer:
contralateral
Q: all fibers of optic radiations pass the these lobes
Answer:
parietal and temporal
Q: fibers of the inferior optic radiations arc slightly forward and down into the _ lobe forming what? Answer: temporal lobe; Meyer’s loop Q: inferior optic radiations carry information from the<\/em><\/strong> retina (or the _<\/em> visual field)
Answer:
inferior; superior<\/p>\n\n\n\n
Answer:
contralateral homonymous superior quadrantanapia (pie in the sky) visual field defects
Q: fibers of the superior optic radiations pass just under the _ lobe Answer: parietal lobe Q: superior optic radiations carry information from the<\/em><\/strong> retina (or the _<\/em> visual field)
Answer:
superior; inferior
Q: lesions to the parietal lobe cause what deficits?
Answer:
contralateral homonymous inferior quadrantanopia (pie on the floor) visual field defect
Q: this area of the cortex lies on the upper and lower banks of the calcarine fissure in the
occipital lobe
Answer:
primary visual cortex (B17 – secondary and tertiary visual cortex are B18 and 19)
Q: where do the superior optic radiations project to? inferior optic radiations?
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