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Transcranial Magnetic Stimulation of the Prefrontal Cortex: Effects on Risky Decision Making and Temporal Discounting.

2014-07-23 21:09:38 | BioPortfolio

Summary

The main objective of this study is to examine the effects of magnetic stimulation on the prefrontal cortex. We plan to use low frequency, repeated transcranial magnetic stimulation (1 Hz rTMS) to temporarily inhibit activity in the prefrontal cortex and measure the resulting effect on two decision-making tasks. The prefrontal cortex is thought to mediate or control cognitive functions like decision-making, planning, memory, and inhibit impulsive behavior.Previous research has indicated that rTMS over the right dorsal lateral prefrontal cortex will lead to preferences for riskier alternatives. Our hypothesis is that rTMS over the right DLPFC will lead to greater preference for the riskier alternative and greater temporal discounting.

Study Design

Intervention Model: Single Group Assignment, Masking: Open Label

Conditions

Decision Making

Intervention

transcranial magnetic stimulation

Location

University of Arkansas for Medical Sciences
Little Rock
Arkansas
United States
72205

Status

Not yet recruiting

Source

University of Arkansas

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-07-23T21:09:38-0400

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Medical and Biotech [MESH] Definitions

The electrical response evoked in a muscle or motor nerve by electrical or magnetic stimulation. Common methods of stimulation are by transcranial electrical and TRANSCRANIAL MAGNETIC STIMULATION. It is often used for monitoring during neurosurgery.

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Use of an interactive computer system designed to assist the physician or other health professional in choosing between certain relationships or variables for the purpose of making a diagnostic or therapeutic decision.

A technique of brain electric stimulation therapy which uses constant, low current delivered via ELECTRODES placed on various locations on the scalp.

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