Brain cells can be broadly divided into two categories: inhibitory and excitatory neurons. Excitatory neurons are cells that support the generation of electrical impulses in postsynaptic neurons, thus prompting the activation ...
A study led by Georgetown University neuroscientists reveals that the part of the brain that receives and processes visual information in sighted people develops a unique connectivity pattern in people born blind. They say ...
Jul 31, 2024
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Botond Roska and his group at the FMI have elucidated how the retina and the visual cortex work together in visual motion perception. They found that cortical cells, which respond preferentially to backward image motion, ...
May 22, 2017
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In the context of learning and memory, the primary visual cortex is the Rodney Dangerfield of cortical areas: It gets no respect. Also known as "V1," this brain region is the very first place where information from the retina ...
Mar 31, 2014
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Using ecstasy significantly affects a person's ability to detect faces, shapes and patterns, a study has found.
Sep 29, 2014
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When you slip into sleep, it's easy to imagine that your brain shuts down, but University of Michigan research suggests that groups of neurons activated during prior learning keep humming, tattooing memories into your brain.
Feb 22, 2021
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Brain function, much like many other areas of life, is all about balance. Excitatory neurons that increase the activity of connected neurons are balanced by inhibitory neurons that dampen this activity. In this way, excitation ...
Jul 12, 2022
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We humans are pros at category learning—the process by which we classify things, whether objects, concepts or events, into groups that share certain features that are relevant to us. We do it when we distinguish friends ...
Aug 15, 2018
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For most adults who lose their vision, blindness results from damage to the eyes or optic nerve while the brain remains intact. For decades, researchers have proposed developing a device that could restore sight by bypassing ...
May 14, 2020
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Is visual input essential to how the topographical map of the visual cortex develops in the human brain?
Apr 13, 2015
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