The headline acts in this month's Practical Neurology are the management of advanced Parkinson's disease and the mimics and chameleons of motor neurone disease.

Managing advanced Parkinson's disease is increasingly specialist, and few general neurologists will actually deliver advanced treatments, such as deep brain stimulation, apomorphine infusion and intestinal dopa gel infusion. For too many patients, however, these treatments are offered too late, and so Paul Worth's guidance for the general neurologist is timely.

Martin Turner is strongly placed to take us through the mimics and chameleons of motor neurone disease in this further instalment of our regular series. It is, sadly, one condition where the clinical diagnosis is all too often correct, and for which there are …