How nerve cells make decisions, how genes control behaviour, using light to interrogate neuronal circuits, anxiety attacks, deep brain stimulation to bust addiction, how the immune system can cause psychosis, the genetics of behavioural problems and hallucinogenic flashbacks: fact, or a mind playing tricks on you? This week we launch Naked Neuroscience, a new monthly podcast to open your mind... Like this podcast? Please help us by supporting the Naked Scientists)