In One of the Experiments Conducted by Bushnell Et Al

question 53

Multiple Choice

In one of the experiments conducted by Bushnell et al. (1981) , the activity of single PPC neurons was recorded as a monkey performed four different types of tasks involving an eye or hand movement and the direction of the monkey's attention. In the saccade task, it was found that the:

• A) PPC neuron never increased its firing rate above baseline.
• B) PPC neuron's firing rate decreased with the shift of attention, as the monkey waited for the stimulus to dim.
• C) PPC neuron continued to fire at its baseline rate throughout the task.
• D) PPC neuron's firing rate increased soon after the stimulus appeared, with the shift of attention, even before the eye movement occurred.

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Definitions:

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