4.1 proprioception

Question 1

the peripheral receptors responsible for proprioception 4

Answer 1

muscle spindles
golgi tendon
articular joints
cutaenous and subcutaneous

Question 2

what are articular joints

Answer 2

found in joint capsule

silent until specific movement where a mechanim will signal the limit of range of motion

Question 3

superficial proprioceptive receptors

Answer 3

messiners corpuscle
merkel receptors

Question 4

deep proprioceptive receptors

Answer 4

pacnician corpuscle
ruffini corpuscle

Question 5

how do the cutaneous and subcutaneous receptors provide proprioceptive information

Answer 5

provide information on positon based off skin stretch over joints

Question 6

processing pathway of proprioceptive information 4

Answer 6

DCML
decussates at brainstem
thalamus
2 cortical areas: primary + secondary somatosensory cortex

Question 7

what causes proprioceptive illusions

Answer 7

tendon vibration

Question 8

pinocchio illusion

Answer 8

vibration of bicept while touching nose, gives illusion that hand is moving away from face, while still touching nose

Question 9

rubberhand illusion

Answer 9

have rubber hand on table, your hand below opaque screen and one above.

stroking of your real hand and rubber hand next door

results in patient thinking the rubber hand is theres and thereby when threat to rubber hand they will flinch