Medical Research Council - London Institute of Medical Sciences

BPoD is 5

In 2017 we celebrate five years of bringing you beautiful imagery from biomedical science

Stop Signals
11 November 2017

Stop Signals

Trillions of stringy neurons meet up in our brains, passing signals through junctions called synapses. Sometimes, though, these signals need fine-tuning. Inhibitory neurons (highlighted as red, green and blue dots in this mouse brain) connect to synapses to block certain signals, vital to controlling information passing into and out from the brain. Here a technique called qBrain reveals three different types of inhibitory neurons are not spread evenly – the green cells, for example, occur more densely in sensory-motor areas of the brain, which control how we respond to the world. Other qBrain scans reveal that, although females generally have smaller brains, specific areas contain more inhibitory neurons, suggesting more sensitive control of signals associated with reproductive, social and parenting behaviours.

Written by John Ankers

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BPoD stands for Biomedical Picture of the Day. Managed by the MRC London Institute of Medical Sciences the website aims to engage everyone, young and old, in the wonders of biomedicine. Images are kindly provided for inclusion on this website through the generosity of scientists across the globe.

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