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Somatosensation
| Question | Answer |
|---|---|
| What is Somatosensation? | The experience of touch through pain, temperature, itch, pressure, internal state, or body's place in space |
| What are the three types of somatosensation? | Exteroceptive, Interoceptive, and Proprioceptive |
| Exteroceptive | Sense external stimuli (skin) |
| Interoceptive | Monitors internal state |
| Proprioceptive | Monitors position of the body |
| Why is somatosensation important? | Because sense of touch is connected to stress and emotional being, stimulates brain to exert oxytocin, touch and communication |
| How does somatosensation work? | Sensors in the skin send messages to the brain's primary somatosensory cortex, posterior parietal cortex, and primary motor cortex |
| What is an example of Exteroception? | grabbing something because of the pressure in the hands or getting burned because of pain and temperature |
| What is an example of Interoception? | Disregulaton of roommate temperature or feeling feverish |
| What is example of Proprioception? | Standing in one place or moving |
| Posterior Parietal Cortex | Responsible for integrating touch, sight, and sound (hand-eye coordination) |
| Primary Cortex | Hand to head (motor control) |
| Primary Somatosensory Cortex | Band that goes around the brain and has homunculus |