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Diencephalon
| Question | Answer |
|---|---|
| what is the diencephalon and where is it located? | composed of the thalamus and hypothalamus, deep in the center of the brain |
| what is the thalamus? | it has two lobes, relays sensory information to the cerebral cortex (known as the gateway). brings up somatic information (5 senses) |
| what is the hypothalamus? | regulates homeostasis; body temperature, hunger, thirst, etc. autonomic and endocrine control |
| ventral posterior nucleus (VPN) | input from medial lemniscus tract --> processes/conveys touch of the entire body/face |
| lateral geniculate nucleus (LGN) | gets input from the retina --> processes vision (L for light!) |
| medial geniculate nucleus (MGN) | gets input from the inferior colliculi --> hearing (M for music!) |
| what does the thalamus NOT contain? | a descending motor tract. acts as a gateway for INCOMING sensory data |