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The transition from an odour being novel to being familiar inDrosophila Melanogasterinvolves dopaminergic modulation of the kenyon cell–α′3 mushroom body output neuron synapse in the fly mushroom body.
Small-molecule–neuropeptide co-transmission is pervasive throughout the nervous system of all animals. In this Review, Nusbaum, Blitz and Marder discuss how co-transmission is an important source for the considerable flexibility that has been established for synapses, circuits and behaviour.
How does sleep deprivation affect the human brain? Walker and colleagues review neuroimaging studies on the consequences of sleep deprivation on cognition and emotion — with specific focuses on attention and working memory, positive and negative emotion, and hippocampal learning — and the mechanisms underlying these effects.
Cerebral blood flow regulation is essential for normal brain function. In this Review, Kisler and colleagues examine the cellular and molecular mechanisms that underlie cerebral blood flow regulation at the arteriole and capillary level, and how neurovascular dysfunction contributes to neurodegenerative disorders such as Alzheimer disease.
Parkinson disease is often characterized as a disorder of movement; however, it is also associated with many non-motor features, some of which appear early in the disease course. In this article, Schapira and colleagues provide an overview of these diverse features and their neurobiological basis.
