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High-resolution analysis of immature receptive fields in lateral geniculate neurons suggests that transient oriented receptive fields in the thalamus may contribute to the development of orientation selectivity in visual cortex.
Satake et al. show that glutamate release in the cerebellum causes heterosynaptic depression of GABA release and that AMPA receptors act presynaptically to mediate this phenomenon.
Anxiolytic-like and sedative effects of benzodiazepines can be dissociated in mice with a mutant GABAA receptor α1 subunit gene or in wild-type mice by a new benzodiazepine-site ligand.
The isolated vertebrate brainstem can produce not only the normal breathing rhythm, but also sighs and gasps. All three patterns may involve the same neural circuit.
