Lecture+11_Temporal_S

Lecture+11_Temporal_S - Temporal Lobes Read in Phantoms: Ch...

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Temporal Lobes Read in “Phantoms”: Ch 8-10
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Review Questions 1. What types of effects might you expect from damage to the postcentral gyrus? How would you test for this? 2. What is tactile agnosia, what type of damage does it come from, and how would you test for it? 3. List 3 effects you might not expect from damage to the parietal lobe. Why do they appear after parietal damage? 4. What is apraxia? Explain the different forms. 5. What is contralateral neglect, and which hemisphere 6. What is the best explanation for the phenomenon of phantom limbs?
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Temporal Lobes: Outline I. Neuroanatomy II. Connections III. Theory of function IV. Damage
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I. Anatomy of the Temporal Lobes Tissue below the Sylvian Fissure and anterior to the occipital cortex Subcortical Temporal Lobe Structures Limbic cortex Amygdala Hippocampal Formation
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I. Subdivisions of the Temporal Cortex Lateral surface Auditory areas Ventral Stream of Visual Information Insula Area under Sylvian Fissure Gustatory Cortex Auditory association cortex Multimodal Cortex or Polymodal Cortex Area under Superior Temporal Sulcus Receives input from auditory, visual, and somatic regions
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II. Connections of the Temporal Lobes 5 main types: 1. Hierarchical sensory pathway 2. Dorsal auditory pathway 3. Polymodal pathway 4. Medial temporal pathway 5. Frontal lobe projection
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II. Connections of the Temporal Cortex 1. Hierarchical sensory pathway Connections from primary and secondary auditory and visual cortical regions progress through the lateral temporal cortex and terminate in the temporal pole Connections in the temporal pole are then relayed to the medial aspects of the temporal lobe Visual travels through the area corresponding to the inferior temporal gyrus Auditory travels through the area corresponding to the superior temporal gyrus (STG) Major Destinations: information is sent to structures like the amygdala and hippocampus This is integrated into the conscious experience of memory formation, memory retrieval and emotional tone Ultimate Effect stimulus recognition the familiar conscious experience of knowing, assimilating and feeling
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Lateral (sylvian) fissure somatosensory association areas Primary Auditory cortex Temporal pole ( anterior region of temporal lobe ) Hierarchical sensory pathway Posterior Perspective
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This note was uploaded on 11/05/2011 for the course 830 310 taught by Professor Joannehash-converse during the Spring '11 term at Rutgers.

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Lecture+11_Temporal_S - Temporal Lobes Read in Phantoms: Ch...

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