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37 Cards in this Set
- Front
- Back
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What area is involved in ARTICULATION?
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BA 4 primary motor cortex
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What area is involved in MOTOR PROGRAM?
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BA 44 and 45 Broca's area
Pars opercularis, pars triangularis |
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What area controls timing and force of speech?
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Basal ganglia and cerebellum (via thalamus)
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What area is responsible for PLANNING AND GRAMMATICAL STRUCTURE?
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prefrontal, premotor and supplementary motor cortex (BA 6)
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What area is responsible for hearing speech?
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Primary auditory cortex (Heschl's transverse gyri)
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What is responsible for COMPREHENSION of language?
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auditory association cortex, including Wernicke's area (BA 22), with areas 37,39,40
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What is the pathway that interconnects temporal/parietal areas and frontal language areas?
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Arcuate fasciculus
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what does the arcuate fasciculus do?
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the pathway that interconnects temporal/parietal areas and frontal language areas
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What area is involved in written language (reading and writing)?
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angular gyrus + motor (BA 4 & 6), somatosensory (3,1,2) and visual cortices (BA 17,18,19)
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inability to correctly perform motor action in response to command
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apraxia
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1. larger lesion in area of ngular gyrus or parietal lobe
2. severe disorder of both reading and writing but auditory comrehension and speech are intact 3. Agraphia 4. Acalculia 5. Right-left disorientation 6. finger agnosia |
Gerstmann's syndrome
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what 6 things make up Gerstmanns syndrome?
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1. larger lesion in area of ngular gyrus or parietal lobe
2. severe disorder of both reading and writing but auditory comrehension and speech are intact 3. Agraphia 4. Acalculia 5. Right-left disorientation 6. finger agnosia |
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apraxia of speech articulation,sparing written language. resulting from small lesion in OPERCULUM OF DOMINANT HEMISPHERE
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aphemia
also called the "foreign accent syndrome" |
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what is global aphasia?
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Wernicke's +Brocca's aphasia
caused by large MCA lesion or subcortical damage |
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What is conduction aphasia?
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a lesion to the arcuate fasciculus, sparing broca's and wernicke's
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what is caused by watershed infarcts or seen with subcortical damage,
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transcortical aphasia
motor, sensory or mixed |
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what is a lesion to the arcuate fasciculus, sparing broca's and wernicke's cause?
impaired repetition, normal fluency, impaired naming |
conduction aphasia
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ability to maintain alertness and sustain attention over time
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Vigilance
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ability to focus on specific stimuli
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Selective Attention
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which hemisphere is more important for ATTENTION and for generating an INTEGRATED VISUAL-SPATIAL GESTALT?
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the nondominant hemisphere
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unaware of their own deficits
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anosognosia
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aware that they have severe deficits, yet show no emotional concern or distress about it
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anosodiaphoria
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patient denies that their left half of their body belongs to them
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hemiasomatognosia
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what can increase vigilance?
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sympathetic activation which increases bloodflow to the brain and increases vigilance
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what acts as the FILTER allowing us to focus our attention?
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Pulvinar
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what is the most common site of damage producing hemineglect?
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parietal heteromodal association areas
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What is sensory extinction?
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when stimuli presented simultaneously to both sides, only perceived on intact side
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difficulty orienting body in space and performing tasks with a spatial component?
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hemispatial neglect
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denial of neglected half body or a portion of it
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hemiasomatognosia
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Disconnection syndrom resulting from damage in supplementary motor area (or other areas in the frontal or parietal lobe or corpus callosum)
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Alien Hand syndrome
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cortical color blindness
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achromatopsia
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loss of ability to recognize peoples faces visually
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prosopagnosia
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what is hemiasomatognosia
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denial of neglected half body or a portion of it
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What is Capgras syndrome?
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believe those close to them (family and friends) have been replaced by imposters
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selective loss of motion perception
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Akinetopsia
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Akinetopsia
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a selective loss of motion perception
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believe those close to them (family and friends) have been replaced by imposters
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Capgras syndrome
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