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Flashcards in Neuropathology 1 Deck (192)
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181

A: What Afferents travel TO the Thalamic [Lateral Dorsal ] nc. B: Where does the Efferent fibers of the Thalamic [Lateral Dorsal ] nc. project to? C: What type of Thalamic nucleus is the [Lateral Dorsal]

[Lateral Dorsal nc.] A: Aff= Hippocampus--> nc B: Eff= nc---> Cingulate cortex C: [Specific Relay nuclei]

182

A: What Afferents travel TO the Thalamic [LP & Pulvinar ] nc. (4) B: Where does the Efferent fibers of the Thalamic [LP & Pulvinar] nc. project to? C: What type of Thalamic nuclei are the [LP & Pulvinar]

[(Lateral POST) & Pulvinar nc.] A: Aff= [SUP colliculus]/[Area 17 CPVC]/ [Primary auditory cortex]/Somatosensory Cortex -----> nc B: Eff= nc---> {PPLTAC} "Posterior Parietal and Lateral Temporal Association Cortex" C: [Association nuclei]

183

A: What Afferents travel TO the Thalamic [Dorsomedial] nc. (3) B: Where does the Efferent fibers of the Thalamic [Dorsomedial] nc. project to?

C: What type of Thalamic nucleus is the [Dorsomedial]

[Dorsomedial nc.] A: Aff= [Prefrontal Cortex]/Olfactory/Limbic -----> nc B: Eff= nc---> PreFrontal Cortex

C: [Association nuclei]

184

A: What Afferents travel TO the Thalamic [Intralaminar] nc. (3) B: Where does the Efferent fibers of the Thalamic [Intralaminar] nc. project to?

C: What type of Thalamic nucleus is the [Intralaminar]

[Intralaminar nc.] A: Aff= [Reticular Formation]/[BasalGanglia]/limbic -----> nc B: Eff= nc---> Cerebral Cortex/[BasalGanglia]/limbic

C: [Non-Specific nuclei]

185

A: What Afferents travel TO the Thalamic [Thalamic RETICULAR nucleus] (2)

B: Where does the Efferent fibers of the Thalamic [Thalamic RETICULAR nucleus] project to?

C: What type of Thalamic nucleus is the [Thalamic RETICULAR nucleus]

D: What is Different of this Thalamic nucleus from the others?

[Thalamic RETICULAR nucleus]

A: Aff= Thalamus & Cortex-----> nc

B: Eff= nc---> ONLY other Thalamus nuclei

C: [Non-Specific nuclei]

D: Aside from this [Thalamic RETICULAR nucleus], All OTHER thalamic nuclei "decide" where info should go in Cerebral cortex

186

Intralaminar nc. and [thalamic reticular nuclei] are both types of the _______ functional group

Intralaminar nc. and [thalamic reticular nuclei] are both types of the NON-SPECIFIC functional group

187

Lesions of which structures typically produce Amnesia (Anterograde vs. Retrograde) (3)

"Amnesia comes from Having Memory Troubles!" 

Bilateral lesions in: 

-Thalamus

2. Mamillary bodies (Thiamine deficiency-Wernicke Korsakoff)  

3. Hippocampus (Herpes Encephalitis / Anoxia / Alzheimer's)

188

Agnosia

A: General definition

B: Visual Agnosia

C: Tactile Agnosia

A: Failure to identify Object via 1 sensory modality, but can identify objects via others

B: Failure to visually recognize a bell but can identify when hearing or touching the bell

C: Failure to recognize bell from touch but can identify in other ways which also = [Severe Astereognosis]

189

Describe the Clinical Presentation of Frontal Lobe Syndrome (5)

A: Frontal Lobe has D&G on D&G

1. [Disinhibition / Lack of concern]

2. [Distractible motor and mental function (Poor planning & impaired creatitivity)]

3. [Frontal lobe release signs in (Normal in infants only)]

4. [Gegenhalten Paratonia (resistance to passive limb mvmnt)]

5. Gait Apraxia

190

Temporal Lobe Syndromes

A: Name the Bilateral lesions (3)

B: Name the Unilateral lesions

A: Bilateral: 

1. Amnesia (hippocampal lesions)

2. [Cortical Deafness from Auditory lesions]

3. [Kluver Bucy Syndrome]

 

B: Dominant Hemisphere lesion: Wernicke's Aphasia

191

Parietal Lobe syndromes

A: Clinical Manifestation for Nondominant Parietal lesions. List and describe 2 examples.

B: List and describe an example of Dominant Parietal Lesions. What structures are associated with this (2)?

A: Impairment of spatial relationships between body and its surroundings

-Anosognosia: Unawareness of hemiparesis or denial of an entire half of your body = Hemispatial Neglect

-Constructional Apraxia: Inability to write when commanded to

B1: "Gerstmann's HAD a Syndrome

Gerstmann's Syndrome ([Hand disorientation + Finger agnosia] /Agraphia / Dyscalculia

-[Supramarginal vs. Angular Gyrus] 

192

Occipital Lobe 

A: Bilateral Lesion examples (3)

B: Unilateral Lesion examples 

A: 

1. Anton's Syndrome: Denial of Cortical Blindness

2. Visual Agnosia

3. ProsopagnosiaInability to recognize previously known faces = subtype of Visual Agnosia

B: [Dominant TemporOccipital lesion] --> Color Anomia (inability to name colors)