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Familiarity

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neuroscience2 years ago

Decoding Familiarity: Brief Spikes and Visual Recognition Memory

A new study sheds light on the brain's ability to distinguish between familiar and new stimuli, known as visual recognition memory (VRM). The research reveals that brief spikes in neural activity, called visually evoked potentials (VEPs), signify familiarity, while overall neural activity decreases. This provides insight into the brain's rapid identification and suppression mechanisms for familiar stimuli. The study also identifies the involvement of NMDA receptors in layer 6 of the visual cortex and highlights the importance of inhibitory neurons in VRM.