Recitation 8

Activity 3- Quickfire

100

List the 3 lobes of the cerebellum

Anterior, posterior, flocculonodular

200

The two fissures that separate the lobes of the cerebellum

Primary and posterolateral fissure

300

Which peduncle do the climbing fibers in the corticoolivocerebellar pathway enter through? 

Inferior

400

List the 4 cerebellar deep nuclei.

Dentate, emboliform, globose, and fastigial

500

List the four inhibitory neurons of the cerebellum.

Purkinje, stellate, basket, and Golgi

Activity 4 pt. 1- Cerebellum

100

Compare the corticopontocerebellar pathway with the spinocerebellar (L-CST component) for the following:

Location(s) of the first neuron in each (cell body, not whole axon)

i. Ponto: 

Sensory association areas

200

Compare the corticopontocerebellar pathway with the spinocerebellar (L-CST component) for the following:

a. Location(s) of the first neuron in each (cell body, not whole axon)

i. Spino: 

Spinal Cord

300

Compare the corticopontocerebellar pathway with the spinocerebellar (L-CST component) for the following:

b. The peduncle each pathway uses to enter the cerebellum

Ponto: 

Middle cerebellar peduncle

400

Compare the corticopontocerebellar pathway with the spinocerebellar (L-CST component) for the following:

b. The peduncle each pathway uses to enter the cerebellum 

ii. Spino:

Inferior

500

Compare the corticopontocerebellar pathway with the spinocerebellar (L-CST component) for the following:

c. The deep nuclei that are part of the pathway

i. Ponto: 

Dentate

Activity 4 pt. 2- Basal Ganglia

100

1. Name of output nuclei

a. Direct:

GPi and SNr

200

1. Name of output nuclei

b. Indirect:

GPi and SNr

300

2. Neurotransmitters released by striatum

a. Direct:

GABA, SP

400

2. Neurotransmitters released by striatum

a. Indirect:

GABA, ENK

500

Effect of SNc and the neurotransmitter used 

a. Direct: 

b. Indirect: 

a. Direct: excitatory, DA

b. Indirect: Inhibitory, DA

Activity 4 pt. 3- Comparing pathways (basal ganglia and spinocerebellar)

100

1. The region that provides the strongest input to respective regions (basal ganglia and cerebellum): 

Spinal cord neurons for spinocerebellar and cortex (association areas+primary) for basal ganglia

200

The thalamic nuclei part of each pathway:

VA/VL basal ganglia, VL cerebellar

300

The glutamatergic neurons part of each pathway:

Basal Ganglia:

VA/VL, cortex

400

The glutamatergic neurons part of each pathway:

Cerebellum: 

Spinal cord neuron, granule cell, E/G/F deep nuclei, VL thalamic nuclei

500

State where the following are located within the nervous system, making sure to be as exact as possible.

a. Granule cells 

Granule layer in cerebellar grey matter

Activity 5: Multiple Choice

100

1. The superior peduncle contains:

d. none of the above

200

2. The subthalamic nucleus:

d. all of the above

300

3. Glutamate is released by the following neurons:

c. granule cells

400

4. Loss of the SNc neurons in the direct pathway only would:

a. Produce excessive drive through the indirect pathway

500

*Activity 4 pt. 1 question 2*

State where the following are located within the nervous system, making sure to be as exact as possible.

Deep nuclei:

Arbor vitae in cerebellum