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Human Memory: Brain-State-Dependent Effects of Stimulation.

08:00 EDT 22nd May 2017 | BioPortfolio

Summary of "Human Memory: Brain-State-Dependent Effects of Stimulation."

A new study shows that direct stimulation of memory-relevant brain areas can enhance memory performance, but only when stimulation is applied during brain states associated with poor memory outcome - stimulation during optimal states results in a decrease in memory.

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This article was published in the following journal.

Name: Current biology : CB
ISSN: 1879-0445
Pages: R385-R387

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Medical and Biotech [MESH] Definitions

Stimulation of the brain, which is self-administered. The stimulation may result in negative or positive reinforcement.

A state of prolonged irreversible cessation of all brain activity, including lower brain stem function with the complete absence of voluntary movements, responses to stimuli, brain stem reflexes, and spontaneous respirations. Reversible conditions which mimic this clinical state (e.g., sedative overdose, hypothermia, etc.) are excluded prior to making the determination of brain death. (From Adams et al., Principles of Neurology, 6th ed, pp348-9)

A persistent activity-dependent decrease in synaptic efficacy between NEURONS. It typically occurs following repeated low-frequency afferent stimulation, but it can be induced by other methods. Long-term depression appears to play a role in MEMORY.

Adjustment of BRAIN WAVES from two or more neuronal groups within or across a brain structure (e.g., cortical and limbic brain structures) to become uniform in EEG oscillation patterns in response to a stimulus. It is interpreted as a brain integration sign during many processes such as learning, memory, and perception and involves reciprocal neural connections.

Type of declarative memory, consisting of personal memory in contrast to general knowledge.

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