S&P Exam 3 Cutaneous

slowly adapting, small receptive field, optimal stimulus is pressure

rapidly adapting, small receptive field, optimal stimulis is taps on skin

slowly adapting, large receptive field, optimal stimulus is stretched skin or joint movement

rapidly adapting, large receptive field, optimal stimulus is vibration

Medial lemniscal (touch) / Spinothalamic (temp+pain)

Ventral Posterior Nucleus of thalamus

primary somatosensory cortex

with a somatotopic map and contralaterally - video of guy shaving and when he knocks his face he feels it in his phantom limb (brain area for face starts to take over hand).

Areas of brain for face and hands are very large even though those are small parts of our body

Can you tell how close two toothpicks pocking your skin are - Lowest on finger tips and lips

active touch is when you touch things vs being touched by something

certain areas with cuase more firing when stimulated and places around it will inhibit firing

nuerons that fire more or less depedning on stimulus oreintation

nuerons that only fire when responding to motion