Neuro Test 3 Random Vocab

Question 1

Medial Lemniscus Pathway

Answer 1

Body/ Spinal Cord –> Thalamus
3 receptors: Joint, cutaneous, muscle
Sensations: Joint position, touch, pressure, proprioception

Question 2

Hemianopia

Answer 2

Vision loss on 1 side

*thalamus notes

Question 3

Hemianesthesia

Answer 3

Loss of sensation on one side

*thalamus notes

Question 4

Hemiparesis

Answer 4

Severe weakness on one side

*thalamus notes

Question 5

Sensory Ataxia

Answer 5

Motor difficulty because os sensory deficits

*thalamus notes

Question 6

Dyskinesia

Answer 6

Involuntary motion

*thalamus notes

Question 7

Chorea

Answer 7

Jerky movement or tremors
Example of Dyskinesia
*Thalamus damage

Question 8

Dystonia

Answer 8

Change in muscle tone
Example of Dyskinesia
*Thalamus damage

Question 9

Bradykinesia

Answer 9

Slow movement, speech, and/or GI

*Basal Ganglia damage

Question 10

Akinesia

Answer 10

Difficulty starting movement

*Basal Ganglia damage

Question 11

Past Pointing

Answer 11

Associated with timing/breaking of movements
Pointing too far
*Cerebellar damage

Question 12

Fitts’ Law

Answer 12

Movement duration vs errors (accuracy)
As movement duration increases, errors decrease. As movement duration decreases, errors increase.
Does not work in all instances (example: riding a bike)
*Neural Control I

Question 13

Sensory Exploration

Answer 13

Is greater in the arms and hands than the lower limbs
Cues from proprioception, auditory, tactile, and VISION.

• Neural control I

Question 14

Cortical Blindness

Answer 14

Maintain retinal receptor responses, but lost ability to interpret/perceive information (rods and cones still activate–> no meaning attached)

*Neural control I

Question 15

Saccades

Answer 15

Neural control I

Question 16

Smooth-pursuit

Answer 16

Neural control I

Question 17

Vestibulo-ocular reflex (VOR)

Answer 17

Neural control I

Question 18

Optokinetic reflex (OKR)

Answer 18

Neural control I

Question 19

Gaze Tracking

Answer 19

Neural control I

Question 20

Peripheral Neuropathy

Answer 20

Neural control II

Question 21

Triphasic Muscle Activity Pattern

Answer 21

Neural control I

Question 22

Postural adaption characteristics

Answer 22

Neural control II

Question 23

Motor Learning Concepts

Answer 23

Neural control III

Question 24

Phases of learning motor skills

Answer 24

Neural control III

Question 25

Visual Memory

Answer 25

Something you’ve seen before in the past

*Cerebellar notes

Question 26

Mental Imagery

Answer 26

Imagining

*Cerebellar notes

Question 27

Perception

Answer 27

The actual response from receptors and their interpretation

*Neural Control I