Quiz 4 Flashcards Preview

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Flashcards in Quiz 4 Deck (24):
1

The associative circuit is involved in

Complex motor planning

2

The motor circuit is involved in

Regulating gaze and orientation of the eyes

3

Every cell in the striatum is a _____ because ______.

Integrator,
A Single cell receives input from multiple sources

4

The indirect pathway suppresses

Superfluous behaviors that are not related to a targeted behavior.

5

The striatum is compromised of

The caudate nucleus and the striatum

6

The subthalamic nucleus releases

glutamate to the globus pallidus and substantia nigra.

7

The putamen is

The most lateral structure in the basal ganglia.

8

Structures make up the basal ganglia

1. Caudate Nucleus
2. Putamen
3. Substantia Nigra
4. Subthalamic Nucleus
5. Globus Pallidus (internal and external)

9

Processes/functions directed by the basal ganglia

1. Motor expression of emotion
2. Direction and amplitude of movement
3. Decisions about movement

10

The cerebellum and basal ganglia control

Upper motor neuron commands

11

Motor pathways usually contain

2 neurons

12

Sensor pathway usually contain

3 neurons

13

The reticulospinal activates

Respiratory muscles

14

The tectospinal tract receives

Visual and auditory information through the superior and inferior colliculi

15

The corticobulbar tract is responsible for

Conscious motor control of facial musculature

16

Tracts that monitor subconscious motor control

1. Vestibulospinal
2. Tectospinal
3. Anterior Corticospinal
4. Reticulospinal

17

Lateral corticospinal tracts:

Conscious control over skeletal muscles: motor to limbs

18

Anterior/ventral corticospinal tracts:

Conscious control over skeletal muscles: axial motor

19

Rubrospinal tracts

Send info to the flexor and extensor muscles.

20

Corticobulbar tracts:

Conscious control over eye, jaw, and face muscles

21

The posterior column pathway/ dorsal columns

Fine touch and proprioception
1. Cuneate fasciculi above T6 upper extremities
2. Gracile fasciculi below T6 lower extremities

22

The spirituals mic pathway

Lateral spinothalamic- pain and temp

Anterior spinothalamic- crude touch

23

The spinocerebellar pathway

Proprioception from limbs to cerebellum
1 posterior spinocerebellar tract
2. Anterior spinocerebellar tract

24

The limbus circuit is involved in

Facial expressions related to emotion