Illusions of comparative interpretation and emotion; production by epileptic discharge and by electrical stimulation in the temporal cortex.

Abstract

We now consider, wrote Hughlings Jackson1in 1880, during the onset epileptic seizures which are much more elaborate than crude sensations. speak first, he continued, of certain highly elaborate mental states, sometimes called 'intellectual aurae.'... The state is often like that occasionally experienced by healthy people as a feeling 'reminiscence.'... It is sometimes called 'dreamy feelings' or is described as 'dreams mixing up with present thoughts,' 'double consciousness,' 'feeling being somewhere else,' 'as if I went back to all that occurred in my childhood.' These are all voluminous mental and yet different kinds; no doubt they ought to be classified. In recent years we have studied these psychical states clinically, as Jackson did. They may appear in the onset an epileptic seizure that originates in temporal regions the brain, and they may, in fact, constitute the only clinical