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Treue and colleagues use electrophysiological recordings in monkeys and psychophysical experiments in humans to suggest that the shape of a population response in a motion sensitive region of the brain (area MT), rather than the peak of the response, determines motion perception.
Kv4 subunits form A-type potassium channels. To replicate native currents, these subunits require additional factors, now shown to be a family of calcium-binding proteins.
Mice lacking NMDA receptors in hippocampal area CA1 are deficient in spatial memory. They also have nonspatial memory deficits, which are overcome by environmental enrichment.
Two new studies use event-related fMRI to reveal a network of brain regions that are activated during different steps in the control of visual spatial attention.
