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Chap 14 part 5

Across
Nerves I, II, and VIII
Optic Nerve -Sensory -Receives visual information from photo receptors in retina of the eye -Damage causes blindness in part or all of visual field
Oculomotor Nerve III -Motor -Controls muscles that eyeball, constrict the pupil, and adjust the lens -Damage causes dilated pupil, double vision, difficulty focusing on objects, and inability to move eye in certain directions
Reading, writing, speaking, and understanding words
Usually the representational hemisphere -Perceives information in a more integrated way -Seat of imagination and insight -Musical and artistic skill -Perception of patterns and spatial relationships -Comparison of sights, sounds, smells, taste
-Usually in left hemisphere -Permits recognition of spoken and written language -When we intend to speak, ______________ formulates phrases and transmits plan of speech to Broca area
Nerves III, IV, VI, XI and XII -Stimulate muscle but also contain fibers of propioception
Cerebral _____________ is the Difference in the structure and function of the cerebral hemispheres ______________ is correlated with handedness
Highly important in motor coordination -aids in learning motor skills -maintains muscle tone and posture -smooths muscle contraction -coordinates eye and body movements -coordinates motions of different joints with each other
Down
Some Say Marry Money, But My Brother Says Big Business Makes Money. Matches Cranial Nerves and functions>>>>Sensory, M= Motor, B=Both
Oh, Once One Takes The Anatomy Final, Very Good Vacations Are Heavenly! Matches Cranial Nerves names and numbers
Olfaction, right nasal cavity, verbal memory, speech, right hand motor control, feeling shapes with right hand, hearing vocal sounds(right ear), rational, symbolic thought, Superior language comprehension, vision, and right field
Nerves V, VII, IX, X -Sensory functions may be quite unrelated to their motor function -Example-facial nerve(VII) has sensory role in taste and motor role in facial expression
Olfaction, left nasal cavity, memory for shapes(Limited language comprehension,mute), left hand motor control, feeling shapes with left hand, hearing nonvocal sounds(left ear), Musical ability, intuitive, nonverbal thought, Superior recognition of faces and spatial relationships, vision, and left field
Olfactory Nerve (I) -Sensory, -receives smell information from olfactory receptors in nasal cavity, -Damage causes impaired sense of smell
12 pairs arise form the base of the brain -some exit the cranium through foramina -Lead to muscles and sense organs located mainly in the head and neck -Most of its motor fibers begin in brainstem, leading to glands and muscles -Sensory fibers begin in receptors located mainly in head & neck, leading mainly to the brainstem -Most of them have ipsilateral pathways
Usually the categorical hemisphere -Specialized for spoken and written language -Sequential and analytical reasoning(math and science) -Breaks information inot fragments and analyzes it -Categorical on in most righties (96%) Right handed people
(motor speech) -Usually in left hemisphere -Generates motor program for laryngeal + orofacial muscles for speaking and for hands when signing -Then transmits program to primary motor cortex
Left hemisphere is the categorical one in most lefties(70%) -right hemisphere is categorical for 15% -neither hemisphere specialized in other 15%
Cranial Nerve IV -Motor -Controls superior oblique muscle(rotates eyeball inferiorly and laterally) -Damage causes double vision and inability to rotate eye inferolaterally