Reclaiming imagination: art, psychosis and the creative mind

The imagination of an artist living with schizophrenia can feel like it's been colonised...by diagnostic labels, by medication and by the often unforgiving and frightening contents of hallucinations or delusions. What then does it mean to reclaim imagination? Is madness a muse or a hurdle? Artists Simon Champ and James de Blas are joined by acclaimed pop artist Martin Sharp, to reflect on the perplexing nature of our imaginative selves.