Paper 2 Biological Approach

Question 1

Biological Assumptions?

Answer 1

All behaviour has a physical basis so biological structures determine thoughts, feelings and behaviour

Question 2

Examples of biological structures?

Answer 2

Brain
Genes
Neurotransmitters

Question 3

What is the role of neurotransmitters?

Answer 3

To transmit chemicals in the brains for thoughts and behaviour

Question 4

What are some affects of imbalance of neurochemicals?

Answer 4

Low levels of serotonin cause lead to ocd
Overproduction of dopamine could lead to schizophrenia

Question 5

Why are twin studies used?

Answer 5

To investigate if certain psychological characteristics have a genetic basis

Question 6

How are twin studies conducted?

Answer 6

By analysing concodance rates
The environment must be constant with both twins

Question 7

Concordance rates?

Answer 7

To what extent do twins share the same characteristics

Question 8

Monozygotic?

Answer 8

All identical

Question 9

Dizygotic?

Answer 9

Non-identical

Question 10

Natural selection?

Answer 10

Any genetically determined characteristics that enhances an individuals survival will continue in future generations

Question 11

What are the strengths to biological approach?

Answer 11

Real world application
Natural selection - credible by fossils record
Scientific methods - precise and objective meths (EGI, FMRI scans) so reliable

Question 12

What are limitations of biological approach?

Answer 12

Use of psychoactive drugs are not effective for everyone
So less validity
Biological determinism

Question 13

Example of real world application in biological approach?

Answer 13

Development of various psychoactive medicines

Question 14

Psychoactive medications?

Answer 14

Drugs that target specific neurotransmitters to treat mental health disorders