Home of real teaching & learning
  • Full support for teachers
  • Focus on critical thinking
  • Engaging classroom activities
  • Integrated student eBook
  • Assessed tasks / qBank
  • Practice exam questions

The InThinking Guarantee: Our sites are written by expert practitioners and not by AI

See our AI policy

Disclaimer: InThinking subject sites are neither endorsed by nor connected with the International Baccalaureate Organisation.

Don't miss out, find out!

MDD: Biological explanations

The biological approach argues that both genetics and neurochemistry may explain the origin of Major Depressive Disorder.For this component of the module, you will learn about both the genetic argument and the Serotonin hypothesis. The biological approach is often considered a reductionist approach to understanding mental health - and it is the basis for medical treatment. Key concepts Before completing the module...

Help