Neuroscience

Brain 'hyperconnectivity' linked to depression

People with depression have hyperactive brain activity, according to a study published online Tuesday that offers new insight into the brain dysfunction that causes depression.

Neuroscience

Rats' and bats' brains work differently on the move

A new study of brain rhythms in bats and rats challenges a widely used model - based on studies in rodents - of how animals navigate their environment. To get a clearer picture of the processes at work in the mammal brain ...

Neuroscience

Coma: Researchers observe never-before-detected brain activity

Researchers from the University of Montreal and their colleagues have found brain activity beyond a flat line EEG, which they have called Nu-complexes (from the Greek letter Νν). According to existing scientific data, researchers ...

Neuroscience

Brain waves encode rules for behavior

One of the biggest puzzles in neuroscience is how our brains encode thoughts, such as perceptions and memories, at the cellular level. Some evidence suggests that ensembles of neurons represent each unique piece of information, ...

Neuroscience

Speech recognition from brain activity

Speech is produced in the human cerebral cortex. Brain waves associated with speech processes can be directly recorded with electrodes located on the surface of the cortex. It has now been shown for the first time that is ...

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