A technique for recording electromyographic activity in freely-moving rats using an all-purpose slip ring commutator.
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Biomedical subjects
L De Toledo
Publications and source records attributed to L De Toledo.
Effects of preshock on subsequent avoidance conditioning.
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Heart rate: changes during conditioned suppression in rats.
Heart rate of rats was recorded in the Estes-Skinner conditioned emotional response situation. Response to the conditioned stimulus was a decrease in rate. The change in heart rate was conditioned more slowly than suppression of bar-pressing; it was of shorter duration and was more variable than suppression.
Animals↗