This accessible introductory text addresses the core knowledge domain of biological psychology, with focused coverage of the central concepts, research and debates in this key area. Biological Psychology outlines the importance and purpose of the biological approach and contextualises it with other perspectives in psychology, emphasizing the interaction between biology and the environment. Learning features including case studies, review questions and assignments are provided to aid students' understanding and promote a critical approach. Extended critical thinking and skill-builder activities develop the reader's higher-level academic skills.

Sensation and Perception

Sensation and perception

Learning Outcomes

By the end of this chapter you should:

  • understand the fundamental organisation and evolutionary significance of sensory systems;
  • appreciate the similarities, as well as the differences, between the sensory systems;
  • understand how receptor organs convert energy into neural signals;
  • be able to identify specific sensory pathways;
  • understand how the cortex represents and processes sensory information;
  • be able to use reflection to consider a topic in depth;
  • have developed your organisational and literature searching skills.


Our biological systems play a key role in all aspects of our functioning, from obtaining information about the world around us to using that information, or processing it, in many different ways. Before we move on to discuss how we process information, we need to understand how we get that information in ...

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