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37 Cards in this Set

  • Front
  • Back
Posterior multimodal area
sensory integration
Anterior multimodal area
motor integration
Limbic multimodal
memory and conscious emotion
Dorsal processing stream
where am i
Ventral processing stream
what am I
Aphasia
dysfunction of language
Agnosia
dysfunction of recognition ability
Apraxia
dysfunction of visuospatial skills
Neglect
dysfunction of attention
Dyexecutive syndrome
dysfunction of executive processing
Brocas aphasia
non fluent effortful speech with no repition
Wernickie’s aphasia
nonsensical speech with no repeat
Conduction aphasia
lesion of arcuate fasiculus, defect in repition only
Global aphasia
impairment of entire production → comprehension stream
Watershed infact
transcortical motor/sensory aphasias. Leave repetition ability intact
Direct attention model
dominant hemisphere recognizes objects in both visual fields while non-dominant only recognizes contralateral visual field
Parietal Lobe dysfunction
can lead to impaired visuoconstructive ability. Failure to attend to a certain side
Frontal Orbital Dysfunction
irritability, inappropriate affect, dysinhibiton
Lateral frontal dysfunction
apathy, abulia, psychomotor slowing
Declarative memory
knowledge. Sematnic/episodic memory
Nondelcatitive memory
basal ganglia. Skills/habits, imprinting, priming
Working memory brain areas
activation of language areas, parietal association cortex, central executive
Recall of semantic memory ‘knowing’
cortical
Recall of episodic memory ‘remembering’
hippocampal
Long-Term Potentiation
synapses become increasingly sensitive so constant stimulation is converted into larger postsynaptic output
NMDA receptors
stimulation associated with LTP
Aminophosphonoaleric acid
blocks NMDA receptors prevents LTP → memory dysfunction
Hippocampal input
posterior parietal association area and inferior temporal association area
Hippocampal Outflux
polysynaptic: fornix→ mammillary bodies → anterior thalamic nuclei. Direct pathway → inferior temporal association cortex
Pathway for episodic and spatial memory
limbic system. CA1→subiculum→ fornix
Pathway for semantic memory
CA1→ subiculum
Korsakoff’s syndrome
thiamine deficiency, possible cause of amnesia
Emotion
hypothalamus, physical sensation
Feeling
conscious sensation, cingulate gyrus
Three components to emotional perception
identification of emotional significance production of affective state, regulation of affective state
Anterior Insula
perception of unpleasantness and produces aversive behaviors
Kluver-Bucy Syndrome
bilateral amydagloid destruction. Emotional blunting, hyperphagia, inappropriate sexual behavior, visual agnosia