W4 Lecture 1 13/02

Question 1

What is the nervous system?

Answer 1

Collection of specialised cells which generate and conduct electrical signals

Question 2

What is it used for? (4)

Answer 2

Communicating (e.g. sensation), integration, processing, stimulating responses

Question 3

On which specialised cells do electrical signals occur on?

Answer 3

Muscle and neurons

Question 4

What does the central nervous system consist of?

Answer 4

The brain and the spinal cord

Question 5

Where is the brain located? and what is it surrounded by?

Answer 5

In the cranial cavity. Surrounded by meninges.

Question 6

What are the 4 divisions of the brain?

Answer 6

Cerebrum, diencephalon, cerebellum, brainstem

Question 7

Cerebrum (4)

Answer 7

Divided many ways, generates conscious thought, responsible for memory & reasoning emotions, grey matter = cortex

Question 8

Four types of cortex

Answer 8

Motor, sensory, sensory association, multimodal

Question 9

Motor

Answer 9

Muscle, movement, action

Question 10

Sensory

Answer 10

Sensation