Neuroscience/Mental Health: Slides 98-124

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What is Cranial Nerve I and its function & results of lesion?

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<ul><li><p><strong>Name:</strong> Olfactory Nerve</p></li><li><p><strong>Function:</strong> sense of smell</p></li><li><p><strong>Results of lesion:</strong> Anosmia</p></li><li><p>***Know where it’s located —></p></li></ul><p></p>

Name: Olfactory Nerve
Function: sense of smell
Results of lesion: Anosmia
***Know where it’s located —>

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What is Cranial Nerve II and its function & results of lesion?

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<ul><li><p><strong>Name:</strong> Optic Nerve</p></li><li><p><strong>Function:</strong> ability to see</p></li><li><p><strong>Results of lesion:</strong> Anopsia, loss of light reflex</p></li><li><p>***Know where it’s located —></p></li></ul><p></p>

Name: Optic Nerve
Function: ability to see
Results of lesion: Anopsia, loss of light reflex
***Know where it’s located —>

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Identify/ Label CN I-VI in a picture. Identify/ Label areas of the brain where sensory information is processed in a picture. Describe functions of CN I-VI and lesions. **Alzheimers not on quiz**

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What is Cranial Nerve I and its function & results of lesion?

Name: Olfactory Nerve
Function: sense of smell
Results of lesion: Anosmia
***Know where it’s located —>

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What is Cranial Nerve II and its function & results of lesion?

Name: Optic Nerve
Function: ability to see
Results of lesion: Anopsia, loss of light reflex
***Know where it’s located —>

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Describe changes in pupil size:

Anisocoria: 1 large, 1 small

Mydriasis: both dilated

Miosis: Both constricted

<p><strong>Anisocoria: </strong>1 large, 1 small</p><p><strong>Mydriasis: </strong>both dilated</p><p><strong>Miosis:</strong> Both constricted</p>

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What is Cranial Nerve III and its function & results of lesion?

Name: Oculomotor nerve

Function: Ability to move and blink the eyes

Results of lesion: double vision, loss of light reflex

<p><span><strong><u>Name</u></strong>: Oculomotor nerve</span></p><p><span><strong><u>Function</u></strong>: Ability to move and blink the eyes</span></p><p><span><strong><u>Results of lesion</u></strong>: double vision,  loss of light reflex</span></p>

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What is Cranial Nerve IV and its function & results of lesion?

Name: Trochlear nerve

Function: Ability to move your eyes up and down or back and forth

Results of lesion: Trouble going down stairs

Head tilts away from the lesioned site

<p><span><strong><u>Name</u></strong>: Trochlear nerve</span></p><p><span><strong><u>Function</u></strong>: Ability to move your eyes up and down or back and forth</span></p><p><span><strong><u>Results of lesion</u></strong>: Trouble going down stairs</span></p><p><span> Head tilts away from the lesioned site</span></p>

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What is Cranial Nerve V and its function & results of lesion?

Name: Trigeminal nerve

Function:

V1 (Ophthalmic) Touch, pain, and temperature sensations of the forehead/ scalp/ cornea
V2 (Maxillary) Touch, pain, and temperature sensations of cheeks, maxillary teeth, nasal cavity, palate
V3 (Mandibular) ⅔ of tongue and jaw movements
Results of lesion: Loss of blink reflex, ageusia (loss of taste), weakness in chewing, jaw deviation