| Description Of Item | By E G Walsh alone unless otherwise stated. 'Heterochromatic photometry using rotating filters and a colour wedge' by E G Walsh and H S Wolff; 'Internal standard flame photometry'; 'Visual reaction time and the alpha rhythm, an investigation of a scanning hypothesis'; 'Visual attention and the alpha rhythm'; 'Physiological tremor' by E G Walsh and J Marshall; 'An investigation of sound localisation in patients with neurological abnormalities'; and 'Autonomy of alpha rhythm generators studied by multiple channel cross-correlation'. |