Key Assumptions

Question 1

Name the 2 key assumptions of the biological approach… (2)

Answer 1

1. The nervous system

2. Genetics

Question 2

Name 3 things the biological approach looks at? (3)

Answer 2

1. how brain structure is linked to certain behaviours
2. chemical activity in the brain
3. how neurotransmitters act at synapses to enable messages to be transmitted around the body

Question 3

Name one way messages are transmitted by?

Answer 3

Hormones

Question 4

Name the 2 things the Central nervous system consists of (2)

Answer 4

1. Brain

2. Spinal chord

Question 5

What connects to the CNS

Answer 5

The nerves that serve the body

Question 6

Define motor neurons

Answer 6

Nerves carry information about movement from the brain

Question 7

Define sensory neurons

Answer 7

carry sensory information inward to the CNS

Question 8

What important role does the CNS have? (2)

Answer 8

1. the important role of decision making

2. coordination

Question 9

What happens in a simple reaction?

Answer 9

the spinal cord alone can generate a response

Question 10

What are the 2 halves of the brain connected by?

Answer 10

the corpus callosum

Question 11

Define anterior pituitary gland

Answer 11

responsible for releasing hormones into the body

Question 12

Define the hippocampus

Answer 12

thought to be where short-term memory occurs. This

part of the brain helps to transfer STMs into LTMs (which are thought to be stored in various parts of the brain)

Question 13

Define the prefrontal cortex

Answer 13

mediates conflicting

thoughts, making choices between right and wrong or good and bad, predicting future events, and governing social control

Question 14

Define amygdala

Answer 14

Responsible for emotions eg.aggression

Question 15

Define thalamus

Answer 15

near the base of the brain, passes on information from the senses

Question 16

Define occipital lobe

Answer 16

visual processing centre

Question 17

Define temporal lobe

Answer 17

auditory perception

Question 18

Define parietal lobe

Answer 18

integrates sensory information

Question 19

Define genes

Answer 19

Genes are sections of strands of a chemical called DNA found in our cells

Question 20

How much of each gene do children receive from their mother and father

Answer 20

Half of genes from mother and half from father

Question 21

How many different genes does each person have?

Answer 21

25,000 - 35,000

Question 22

What do genes control?

Answer 22

physical processes in the

body

Question 23

Name 2 types of genes (2)

Answer 23

1. Dominant

2. Recessive

Question 24

Define dominant genes

Answer 24

show their effect even if there is only one copy of that gene in the pair

Question 25

Define recessive characteristics

Answer 25

the person must have the gene on both chromosomes of the pair