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Understanding Biomedical Model of Psychological Disorders

Explore how the Biomedical Model views mental illnesses as biological dysfunctions affecting the brain. Learn about possible causes such as biochemical imbalances, structural abnormalities, and factors affecting nervous system functioning like genetics and toxicity. Gain insights into how the brain's structure and functioning impact abnormal behavior.

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Understanding Biomedical Model of Psychological Disorders

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  1. The Biomedical Model www.psychlotron.org.uk • Main assumptions: • Psychological disorders are illnesses or diseases affecting the nervous system • Abnormal behaviour, thinking and emotion are caused by biological dysfunctions • Understanding mental illness involves understanding what went wrong with the brain

  2. The Biomedical Model www.psychlotron.org.uk • Possible causes of abnormal behaviour: • Biochemistry – an imbalance of certain neurotransmitters or hormones might cause parts of the brain to malfunction • Structural damage or abnormality – if the structure of the brain is damaged or improperly formed then thinking, emotion and behaviour may change

  3. The Biomedical Model www.psychlotron.org.uk • Factors that may affect NS functioning: • Genetics – inherited developmental abnormality • Toxicity – chemical poisoning from e.g. drugs or environmental toxins • Infection/disease – causing chemical or structural damage to the brain • Stress – causing abnormal hormonal effects in the long term

  4. Brain Abnormality (Structure) www.psychlotron.org.uk

  5. Brain Abnormality (Structure) www.psychlotron.org.uk

  6. Brain Abnormality (Functioning) www.psychlotron.org.uk

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