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THALAMUS

THALAMUS. AP PSYCHOLOGY UNIT 3 B . Major Functions. Motor Control Receives Auditory, Somatosensory, & Visual Sensory Signals. Controls asleep and awake states Relays Sensory Signals to Cerebral Cortex. Behavior Controls. Thalamus deals with Eye Sight Watching T.V.

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THALAMUS

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  1. THALAMUS AP PSYCHOLOGY UNIT 3 B

  2. Major Functions • Motor Control • Receives Auditory, Somatosensory, & Visual Sensory Signals. • Controls asleep and awake states • Relays Sensory Signals to Cerebral Cortex

  3. Behavior Controls • Thalamus deals with Eye Sight Watching T.V. Hearing Listening to Music Touch Knowing when stove is too hot Tasting Eating your favorite food

  4. Independent or Connected with other parts if brain? • A Nuclear complex Structure of 4 Parts. • Mainly connected to the hippocampus via the mammillo-thalamic tract.

  5. How it Works?

  6. Origin • “Thalamos” – inner room or storage room • Optic Nerve • Argue over Sensory or Motor nerve?

  7. Modern Physiology • In 1889, Thalamic Nucleis were discovered • Microelectrode Technique • Both Sensory and Motor Pathways

  8. Injury on Thalamus • Damage to all senses • Touch (feel) and Vision (eye sight) • Loss of Hearing and Loss of Speech

  9. Current Research • The treatment of “Thalamic Syndrome”. • Pain Strokes • All senses becomes oversensitive.

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