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32 Cards in this Set
- Front
- Back
- 3rd side (hint)
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An ID to recognize objects held in the hand
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Asterognosis
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Superior Parietal Lobe
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An inability to ID letters/#'s written into the hand
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Agraphognosia
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Superior Parietal Lobe
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An inability to ID simultaneous stimulation on L & R side of body
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Sensory neglect (aka tactile inattention)
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Superior Parietal Lobe but more prominent on the RIGHT
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An inability to recognize/understand sensory stimulus even though sensation is intact
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Agnosia
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association areas of the cerebral cortex
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Loss of disease awareness
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Anosagnosia
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Superior Parietal Lobe
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Unilateral sensory inattention (test: have pt draw a clock, will only draw 12-6)
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Hemineglect
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RIGHT Superior Parietal Lobe (usually)
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Inability to recognize objects (usually small) but can still recognize people
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Visual agnosia
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Visual Assoc Cortex (areas 18& 19)
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Form of visual agnosia where pt is unable to convert symbols into written/spoken language (motor mech. intact)
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Dyslexia
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Inferior Parietal Lobe
Superior Temporal Lobe Occipital Lobe |
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Condition where pt with unimpaired hearing fails to recognize meaning of a perceived sound (e.g. A FAUCET DRIP!)
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Auditory agnosia
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Wernicke's Area
(Superior & Middle Temporal gyri) |
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Inability to perform a willed act even though the motor system is intact. (usually assoc w/dominant hemisphere)
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Apraxia
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Inability to perform a willed act even though motor system is intact. Generally associated with the dominant hemisphere.
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Apraxia
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Parietal or Premotor hemisphere
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Inability to plan/execute several components of a complex act (make a square out of toothpicks)
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Constructional apraxia
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Seen in Alz Dx
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Inability to perform facial-oral movements on command
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Facial apraxia
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Parietal or Premotor hemisphere
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Inability to put on clothes, comb one’s hair, blow one’s nose when asked
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Dressing apraxia
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Parietal or Premotor hemisphere
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Characterized by influent speech ("labored speech"), good comprehension, & poor repetition
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Expressive aphasia
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Broca's area (43)
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Inability to express thoughts in writing. (usually accompanies which aphasia?)
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Agraphia
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Broca's area (43)
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Auditory agnosia characterized by poor comprehension, fluent speech, & poor repetition. "Word deafness"
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Receptive aphasia (Wernike's aphasia- "trable" not table)
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Superior and middle temporal gyri (dominant hemisphere- Wernike's Area) Inferior parietal lobule.
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Characterized by good comprehension, fluent speech & poor repetition.
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Conduction aphasia
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Transection of the superior longitudinal fasciculus (arcuate fasciculus)
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Characterized by poor comprehension and non-fluent speech.
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Global aphasia
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Perisylvian area (surrounds Sylvian fissure in temporal lobe)
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-BILATERAL tonotopic input
IN: Inf. Colliculus via inf. brachium OUT: Transverse Temp. gryi (Areas 41&42) |
Medial Geniculate Nuc
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- CONTRALATERAL retinotopic input
IN: optic tract/nerve OUT: Area 17 via Internal Capsule! (retrolenticulate/sublenticulate) |
Lateral Geniculate Nuc.
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PTO Lobe Integration
Input=Output (via POSTERIOR Internal Capsule) |
Pulvinar & LD Nuc.
Parietal-Temporal-Occipital integration |
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SENSORY Thalamic Nuc (body+face+______)
-Contralateral somatotopic input IN: STT, ML, TTT, Vest. Nuc, *Central tegmental tract OUT: Postcentral Gyrus (via Posterior Internal Capsule) |
Ventral Posterior Nuc (VPN)
-VPL: body -VPM: face -VPI: taste* (from what tract?) |
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-Motor Integration
IN: Cerebellum (denate nuc) OUT: Pre-central gyrus via the GENU of the Internal Capsule *Surgery here to tx PD/essential tremors |
Ventral Lateral Nuc. (VLN)
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-PFC/Frontal Eye field integration
IN: Globus Pallidus Int (GPi) & Substantia Nigra (SNr) OUT: PFC/Frontal Eye fields via the ANTERIOR limb of Internal Capsule |
Ventral Anterior Nuc. (VAN)
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Internal Capsule limbs:
Posterior(2*)- Genu- Anterior- |
Post- VPN, Pulvinar, LP, *MGN/LGN (Sensory)
Genu- VLN (Motor) Anterior- VAN (your eyes only) |
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-Behavioral Func.
-similar to LD nuc. Mood/Memory IN: Mammilary bodies/Fonix OUT: Cingulate |
ANTERIOR Thalamic Nuc
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The Thalamic GATEKEEPER
-uses GABA -is NOT assoc. w/ brain stem RF |
Reticular Nuc.
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-PFC regulator nuc
-Phineas Gage/PFC lobotomy -Exec. func./Planning -Emo/Behavior Input=Output (Prefrontal/Orbitofrontal cortex) |
Dorsal-Medial Nuc (DM)
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Lesions in this cortex will produce somnolence/memory problems
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Dorsal-Medial (DM) *don't argue*
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-Func. with ARAS!!!
-Generates most EEG signals IN: RF, STT, TTT, Globus Pallidus & Cerebellum (motor) OUT: Frontal/Parietal Cortex |
Internal Medullary Lamina
OR INTRALAMINAR NUC!!! |
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These nuc actually ARE assoc with brain stem RF
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midline/Intralaminar Nuc
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