Timeline: The development of psychology

Major dates, from Wilhelm Wundt in 1879 to Simon Baron-Cohen in 2003

Identify your ‘type’ with the Myers-Briggs Type Indicator

The MBTI personality test identifies 16 personality types

The great unknown

Darian Leader explains Freud's theory of psychoanalysis and the ideas that have followed

Type A and B personalities

Sarah Wilson on the difference between type A and type B personalities

A test of character

Find out just how neurotic or extrovert you are by taking Daniel Nettle's personality test

Watch your (body) language

Sarah Wilson examines the meaning behind some of our most common gestures

Are you an introvert, extrovert or both?

Psychologist Hans Eysenck popularised the terms 'introvert' and 'extrovert', changing the way we think about ourselves

‘The hope of understanding and change’

The eminent psychoanalyst Susie Orbach recalls how an inquisitive childhood led to a career in psychology

Facial coding: detecting true emotions

Dan Hill reveals what to look for if you want to know what someone's really thinking

Falling, flying or being naked: what our dreams really mean

Sarah Wilson interprets the most popular dream themes