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Behind the scenes, brain circuit ensures vision remains reliable

September 08, 2021
… governed by a circuit of inhibitory neurons vision visual cortex multiphoton microscopy visual system inhibitory … time, but instead different groups of cells in the visual cortex can become stimulated by the same scenes. So how does … images appear, thereby representing them in the visual cortex, activity among two types of “inhibitory” neurons …

From Molecules to Memory

December 20, 2024
… of Nedivi’s research. Nedivi models this in the visual cortex, labeling and tracking cells in lab mice exposed to … when this memory forms, it forms simultaneously in the cortex and the basolateral amygdala, where the brain forms … memories form in the hippocampus before migrating to the cortex for retrieval later. Tonegawa has also found key …

With new grant, MIT neuroscientists will give 'invisible' cells a new look

February 08, 2018
… with neurons to process information astrocytes glia visual cortex synapse development Neurons are the star of the show … insight to discover that astrocyte activity in the visual cortex, the part of the brain that processes vision, matched … will monitor astrocyte and neuron activity in the visual cortex as mice see different stimuli. They’ll also use …

Picower Research and Artificial Intelligence

… by Robots and Animals An integrative theory of prefrontal cortex function   An Emergent Model of Orientation … mechanisms of visual working memory in the prefrontal cortex of the macaque Statistical issues in the analysis of … Trajectory Encoding in the Hippocampus and Entorhinal Cortex Experience-dependent asymmetric shape of hippocampal …

Arousal Control: Reanimation and Sleep

… Halassa, to discover a circuit between the thalamus and cortex that adjusted the arousal of portions of the cortex. They showed using optogenetics that activating the … of the thalamus, producing sleep-like slow waves in the cortex. The spatial amount of cortex affected depended on the …

‘Rewiring’ cortical circuits

… such “monocular deprivation” can cause the visual cortex to rewire connections serving the occluded eye to … In 2010 they found that synaptic changes in the visual cortex following dark-rearing and then light exposure … after being reared in the dark, neurons in the visual cortex dramatically increased production of a microRNA called …

Studies help explain link between autism, severe infection during pregnancy

September 13, 2017
… inhibitory neurons autism spectrum disorders cortex proprioception … other. In this image: An irregularity in the somatosensory cortex, called a “patch,” can be seen as a cluster of blue in … the researchers call “patches” in certain parts of the cortex. In one of the new papers, the researchers set out to …

Visual Recognition Memory

… of Picower Professor Mark Bear have shown that the visual cortex is not just sorting out shapes, colors and motion, but … was trying to assay visual responses in the visual cortex of mice (V1) when he observed something surprising. … mouse brain section shows green highlighting in the visual cortex In a paper in 2015, the lab showed how SRP reveals the …

Antidepressant restores youthful flexibility to aging inhibitory neurons in mice

August 20, 2018
… and memory show that inhibitory interneurons in the visual cortex of mice remain just as abundant during aging, but … acuity. In this study, while they focused on the visual cortex, the plasticity they measured is believed to be … that underlies visual recognition memory in the visual cortex, where neurons respond more potently to stimuli they …
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