how does the brain work

Question 1

what is the nervous system

Answer 1

complex network of nerves carrying messages to and from brain and spinal cord around body

Question 2

2 nervous systems?

Answer 2

central and perifiral

Question 3

what is the nervous system

Answer 3

contains brain and spinal cord carry out reflexes that by pass brain ability , analyses and transmits messages.

Question 4

what is the perifirial system

Answer 4

info in and out of CNS, processes sensory info, motor system has separates voluntary and involuntary networks

Question 5

CNS PROTECTED BY 3 MEMBRANES?

Answer 5

DURA MATTER , PIA MATTER, AROCNOID

Question 6

BLOOD BRAIN MATTER OWN DEFENCE?

Answer 6

EXPERIMENT eHRLICH 1885 blue dye in mouse all tissues expect brain turned blue.

Question 7

brain a muscle?

Answer 7

no

Question 8

largest part of the brain?

Answer 8

cerebrum

Question 9

outer layer of largest part brain and inner layer.

Answer 9

grey outside white inside

Question 10

cerebrum split into?

Answer 10

hemisphere 2

Question 11

what are the 4 lobes?

Answer 11

frontal, optical , parietal, temporal

Question 12

brocas area is responsible for?

Answer 12

speech

Question 13

limbic system responsible for?

Answer 13

emotion and behavioural response

Question 14

what are neurons?

Answer 14

specialised communication cells that process and transmits info around body.

Question 15

what is resting potential and action potential?

Answer 15

when a neutron isn’t firing resting

Question 16

what is chemical imbalance theory and who did it?

Answer 16

Kirsch 2009- positive effects of antidepressants do not come from the chemical levels. bad methodology