- Behaviour is strongly influenced by our genetic makeup and our genetic inheritance.
- The central nervous system, especially the brain, is essential for thought and behaviour to take place.
- Chemical processes in the brain are responsible for psychological functioning and an imbalance of chemicals in the brain may cause certain types of disorders.
- Humans have evolved biologically
Strengths... The highly developed use of scientific method and advanced techniques have led to great advances in understanding the biological basis of behaviour.The role of the brain in higher mental functions, such as memory, in humans is begining to be understood,The approach has helped to develop a new drug to treat mental disorders such as memory.The approach shown us how evolution and genetics influence behaviour
Weaknesses... The biological approach is referred to as reductionist in that it attempts to reduce all aspects of human behaviour to physical processes and the activity of the neurons. It ignores the influence of the environment on many behaviours, such as aggression. It has difficulty explaining one of the most distinctive aspects of being human (self-awareness). The approach presents too simplistic a view of human behaviour because it doesn't understand fully the importance of social factors.
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