Biological approach


Basic assumptions:

➡mind = brain

➡behaviour & thought processes have an innate biological basis

➡genes evolved to match behaviour to our environment

➡characteristics are due to our genetic make-up


➡Darwin's natural selection theory is relevant. It holds that we all evolved, with genes suited for an environment surviving and being reproduced, while weaker ones dying out.

➡Much research is carried out on creatures with short gestation periods, e.g. rats, by manipulating genes to measure effects on behaviour.

➡Bock and Goode- mice reared alone showed aggressiveness despite not having been taught to. Implies…


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