Somatosensory & motor control

Question 1

Afferent

Answer 1

Arriving to the brain

Question 2

Efferent

Answer 2

Exiting the brain

Question 3

What are the 3 somatosensory pathways

Answer 3

1) Dorsal column medial lemniscal system
2) Anterolateral System
3) Spinocerebellar System

Question 4

Dorsal Column Medial Lemniscal System

Answer 4

Transmits info about touch

Question 5

Propioception

Answer 5

Perception of awareness of the body position

Question 6

Anterolateral

Answer 6

Transmits info about temp & pain to the brain stem

Question 7

Spinocerebellar system

Answer 7

transmits proprioceptive info to the cerebellum

Question 8

John has abnormally high sensory thresholds; he has stronger stimuli & needs a sttronger stimuli. Where is John’s lesion?

Answer 8

Postcentral gyrus

Question 9

Stereognosis

Answer 9

being able to identify an object that has 3D form

Question 10

Afferent paresis

Answer 10

clumsy finger movements

Question 11

Michelle cant recognize an object by touch. What is this called?

Answer 11

Astereognosis

Question 12

Natasha was touched on both sides of her arms, but she only felt one touch. This neglect on the opposite side of the body is called

Answer 12

Simultaneous extinction

Question 13

Participant is touched on the arm and asked if she’s being touched and she answers NO; After the stimuli, they ask her to point where she was touched and she can point to it

Answer 13

Blind touch