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In both human radiation-induced brain injury and a mouse model of this condition, activated microglia release chemokines that attract cytotoxic T cells from the periphery to the lesion site, and this exacerbates neuronal damage in the area.
The representational geometry of neural population activity in the somatosensory cortex of mice allows for high flexibility needed to perform complex tasks and for generalization to novel tasks at the same time.
Ketamine-induced dissociated states in mice result from the suppression and activation of cortical pyramidal neuron populations that are active and silent during wakefulness, respectively.
Hyperactivity in a subset of lateral septum neurons inhibits social reward processing and drives social avoidance following chronic social defeat in mice.
Deletion of Gabrb3, which encodes the β3 subunit of the GABAA receptor selectively in pyramidal neurons of developing mouse sensory cortex, increased contralateral connectivity, network synchrony and sensitivity to tactile stimuli, suggesting that this receptor is involved in refinement of interhemispheric sensory pathways.
Human and animal studies reveal a neurobiological pathway that connects polygenic risks and behavioural changes that are shared between schizophrenia and bipolar mood disorder.
The increased tissue stiffness that results from the presence of Aβ aggregates activates microglial mechanosensitive PIEZO1 channels and drives Aβ engulfment, reducing plaque burden, synapse loss and spatial memory impairment in mice.
Barosensitive neurons in the medullary nucleus of the solitary tract can decrease wakefulness and increase non-REM sleep in mice through the same circuitry that regulates cardiovascular function.
The modern human variant of the gene transketolase-like 1, but not the Neanderthal variant, promotes the production of basal radial glia during neocortical development.
Neuromodulation with specific frequencies at specific brain locations selectively enhances either working memory or long-term memory in older adult humans.
A study in male mice finds that neurons in the bed nucleus of the stria terminalis shape hypothalamic neural representations to control the transition from appetitive to consummatory innate social behaviour towards conspecifics of both sexes.
A new study shows that many olfactory sensory neurons in Aedes aegypti mosquitoes express more than one type of chemosensory receptor and some of these neurons can respond to multiple olfactory cues.
Combining high-throughput fluorescence-activated cell sorting and single-cell RNA sequencing, neurons with and without neurofibrillary tangles from people with Alzheimer disease were shown to have different molecular signatures.