Parameters of phosphene-inducing electric stimulation of the cat visual cortex via implanted surface and intracortical electrodes.

Parameters of phosphene-evoking electrical stimulation of cat striatal cortex via electrodes of different types (surface and intracortical) were studied. Similar actions (paw raising) in response to the light pattern and to phosphene-inducing electric stimulation of the striatal cortex were demonstrated. It seems that the animals associated phosphene sensations with light patterns.