Images of a groups of fruit flies (small black dots) placed in a triangular arena. Normal flies (left triangle) like to be a certain distance apart showing their preference for social space, flies mutants in the schizophrenia-associated Rim gene (right) prefer increased in social distance. Mutations in the schizophrenia associated cacophony calcium channel gene causes a reduction in calcium signalling in the memory centres of the fly brain called the mushroom body (the two L shaped structures in the images) resulting in memory loss in the flies. Share this article Press release issued: 19 May 2021 Scientists at Bristol have successfully treated flies displaying behavioural problems linked to newly discovered schizophrenia-associated genes in humans, using common anti-psychotics.
In Major Find, Scientists Catch Nerve Cells Send Information in The Wrong Direction
19 MAY 2021
The point at which our nerve cells meet to share information was thought to be a one-way street, with electrochemical signals strictly flowing from one neuron s sending axons to the next neuron s receiving dendrites.
Now, for the first time, researchers have shown that information can also flow in the opposite direction at the neuron intersection we call a synapse. Once again, exact measurements have shown that reality is more complex than a simplified model would suggest, said cellular neuroscientist Peter Jonas from Austria s Institute of Science and Technology (IST).
Two components of imagination constructing and evaluating imagined scenarios rely on separate subnetworks in the default mode network, according to research recently published in JNeurosci.
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