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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 |