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Brodmann’s Functional Map

Brodmann’s Functional Map. Cortical Layers. Vision Illusions. Gallery of Visual Images. Visual Pathway. Visual Cortex physiology. Retinotopic Map. Daniel L. Adams and Jonathan C. Horton , 2003. Retinotopic Map. Occipital Cortex. VISION Primary visual cortex – initial processing

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Brodmann’s Functional Map

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  1. Brodmann’s Functional Map

  2. Cortical Layers

  3. Vision Illusions • Gallery of Visual Images

  4. Visual Pathway Visual Cortex physiology

  5. Retinotopic Map Daniel L. Adams and Jonathan C. Horton , 2003

  6. Retinotopic Map

  7. Occipital Cortex • VISION • Primary visual cortex – initial processing • Visual association cortex -- higher order processing of visual information. Visual Cortex overview

  8. Forward Connections Parietal Temporal Visual overview.pdf

  9. Forward Connections • What-Where pathways • Parietal: spatial orientation, attention (where pathway). • Temporal: recognition (what pathway). • Patients with temporal lobe lesions are aware that there's a problem and they develop strategies to compensate for it. Parietal patients often unaware of their deficits.

  10. Parietal “Where” System • V3 – perception of shape • MT (V5) – small moving objects, moving edges • MST – rotation, head movements, movement against background • V4 – perception of color, visual attention Detail #1 Detail #2

  11. Parietal Lobe

  12. Parietal Lobe • PERCEPTION: Complex aspects of spatial orientation and perception. • TOUCH: Primary somatosensory cortex -- initial cortical processing of tactile information. • LANGUAGE: The inferior parietal lobule of the left hemisphere (w/ temporal lobe) -- comprehension of language.

  13. Spinal tracts

  14. Homunculus

  15. Homunculus Experiment Weird map

  16. Primary motor cortex motor detail.pdf

  17. Motor Pathways

  18. Parietal Lobe • PERCEPTION: Complex aspects of spatial orientation and perception. • TOUCH: Primary somatosensory cortex -- initial cortical processing of tactile information. • LANGUAGE: The inferior parietal lobule of the left hemisphere (w/ temporal lobe) -- comprehension of language.

  19. Wernicke’s Area • Rear of the parietal lobe (combined with temporal lobe) • Important for understanding the sensory (auditory and visual) information associated with language. • Damage to this area of the brain produces "sensory aphasia.”

  20. Activation – Left Superior and inferior parietal cortex Supplementary motor cortex Premotor cortex Sensorimotor cortex Activation – Right No Significant sites of activation Superior Parietal Lobe in Writing Surface Rendering

  21. Keep in Mind… • How was brain structure formed • Developmentally • Evolutionarily • How does circuit create the human experience • System level • Neuron level

  22. Links • Overview PDF – imaging, overview diagrams • Neuroanatomy summary - written

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