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Flashcards in drive - basic brain structures Deck (12)
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1
Q

What do all vertebra have?

A

A brainstem

2
Q

What is the brainstem responsible for? (general, 2)

A

Basic vital functions (breathing and heart rate etc)

and delivering basic responses

3
Q

What % of neurones in the brain are found in the cerebellum?

A

70%

4
Q

Describe (briefly) the structure of the cerebellum

A

The cortex is very uniform

5
Q

What is the cerebellum responsible for? (3)

A

Receives input from motor cortex, brain stem nuclei and sensory receptors

and modulates upper motor neurons

and coordinated voluntary movement

6
Q

What is the dorsal striatum comprised of?

A

Caudate nucleus and putamen

7
Q

What is the ventral striatum comprised of?

A

The nucleus accumbens and olfactory tubercle

8
Q

What is the Globus pallidus comprised of?

A

The internal and external segment

9
Q

What are the main components of the basal ganglia? (5)

A
Dorsal striatum
Ventral striatum
Globus pallidus
Ventral pallidum
Substancia nigra
Subthalamic nucleus
10
Q

How is the basal ganglia connected to the inputs of the brain?

A

Recurrent loops

11
Q

What is true about the outputs generated by the basal ganglia?

A

They are inhibitory and tonically active (slow and continuous)

12
Q

What is the hippocampus essential for? (4)

A

Episodic memory

Construction of mental images

Short term memory

Spatial memory and navigation