The bihemispheric visual median finger reaction tasks

The second question for the cause of this differentiation may be answered by the many arguments against lateral inhibition as the cause of different median finger reaction times. Rather, differentiating influences (from layer 5) are supposed to be the cause. 

There are two possibilities why the medFRT deviates from the medRT. First, the cycle time of each finger is different from the other. Second, the cycle time is con- 

The cycle time of a finger is the time difference of this finger in tv o successive tasks greater or equal v22 divided by two (=one stimulus more and one finger more). 

The cycle time of a finger can also be observed directly. 

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Measurement of reaction times in healthy subjects The bihemispheric visual median finger reaction tasks... 

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