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Tag: cognition

How The Brain Performs Flexible Computations

Humans can perform a vast array of mental operations and adjust their behavioral responses based on external instructions and internal beliefs. For example, to tap your feet to a musical beat, your brain has to process the incoming sound and also use your internal knowledge of how the song goes. MIT neuroscientists have now identified […]

The Brain Functions That Underlie Visual Metacognition

Brain functions that give you confidence that you did see what you just saw are described in a new study from psychologists at the Georgia Institute of Technology. There’s a long way to go before neuroscience can fathom the vastness of human consciousness, but these researchers were fascinated to observe how two regions of the […]

ARC Protein On-off Switch Regulates Learning Flexibility

Memory, learning and cognitive flexibility depend on a protein ‘off-switch’ in the brain, according to a study from an international research collaboration. The discovery has profound implications for understanding why some older people, including those living with dementia and those with neurodegenerative conditions such as Alzheimer’s, struggle in remembering recent facts (short-term memory) and adapting […]