The impact of the electroencephalograph (EEG), which made brain waves visible.
Fi Glover's guests discuss the experience of mental breakdown.
Can your immune system make you psychotic or depressed?
Combative debate examining the moral issues behind one of the week's news stories.
How stories of mental illness are told in fiction and news.
Where is the dividing line between normal behaviour and a mental health problem?
Why a mental health diagnosis can carry its own health warning.