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Flashcards in Biological Approach Deck (14)
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1
Q

Biological Approach

A

A perspective that emphasises the importance of physical processes in the body.

2
Q

Assumptions of Biological Approach

A

Suggests that everything psychological is at first biological so to fully understand human behaviour, we must look to biological structures and processes within the body. The mind and the brain are the same thing. Can use animal research to explain human behaviour.

3
Q

Genes

A

They make up chromosomes and consist of DNA which codes the physical features of an organism and psychological features. Genes are transmitted from parents to offspring.

4
Q

Biological Structure

A

An arrangement or organisation of parts to form an organ, system or living thing.

5
Q

Neurochemistry

A

Relating to chemicals in the brain that regulate psychological functioning.

6
Q

Genotype

A

The particular set of genes that a person possesses.

7
Q

Phenotype

A

The characteristics of an individual determined by both genes and the environment.

8
Q

Evolution

A

The changes in inherited characteristics in a biological population over successive generations.

9
Q

Neurotransmitter

A

Brain chemicals released from synaptic vesicles that relay signals across the synapse from one neuron to another. Can be excitatory or inhibitory.

10
Q

Hormones

A

Chemical substances that circulate in the bloodstream and only affect target organs. They are produced in large quantities but disappear quickly. Have a powerful effect.

11
Q

Monozygotic Twins

A

Identical twins.

12
Q

Dizygotic Twins

A

Non-identical twins.

13
Q

Natural Selection

A

The major process that explains evolution whereby inherited traits that enhance an animal’s reproductive success are passed on but animals without such traits are less successful at reproduction and their traits are not selected.

14
Q

Sexual Selection

A

Explains how evolution is driven by competition for mates, and the development of characteristics that ensure reproductive success.