Peter Bolliger and Rolf Bergmann present the work of a new discovery, Ernst Kolb, a German baker who taught himself to draw while hospitalised with diabetes.

Rebecca Dimling Cochran shows us the magical world of Ferdinand Cooper, a Southern post-war recluse who made unusable imitations of objects from wood and tin.

Tony Gammidge explores how Patrick Joyce realises his peripheral visions of a mythological world through his bright, colourful paintings and drawings.

Ferdinand Altnöder shares the intense paintings of Josef Karl Rädler, a master porcelain painter who was committed to an asylum and intrigued Leo Navratil.

Edward Gomez discusses the work of chef-turned-artist Hiroyuki Doi, who creates voluminous compositions made up of little more than thousands of miniscule circles.

Victoria Tischler looks at the development of art in British mental health institutions since the 1800s, which is explored in a new exhibition at Djanogly Gallery.