"The two hemispheres of my brain are competing?" Fred said.
"Yes."
"Why?"
"Substance D. It often causes that, functionally. This is what we expected; this is what the tests confirm. Damage having taken place in the normally dominant left hemisphere, the right hemisphere is attempting to compensate for the impairment. But the twin functions do not fuse, because this is an abnormal condition the body isn't prepared for. It should never happen. Cross-cuing, we call it. Related to splitbrain phenomena. We could perform a right hemispherectomy, but--"
"Will this go away," Fred interrupted, "when I get off Substance D?"
"Probably," the psychologist on the left said, nodding. "It's a functional impairment."
The other man said, "It may be organic damage. It may be permanent. Time'll tell, and only after you are off Substance D for a long while. And off entirely."
"What?" Fred said. He did not understand the answer-- was it yes or no? Was he damaged forever or not? Which had they said?
"Even if it's brain-tissue damage," one of the psychologists said, "there are experiments going on now in the removal of small sections from each hemisphere, to abort competing gestalt-processing. They believe eventually this may cause the original hemisphere to regain dominance."
"However, the problem there is that then the individual may only receive partial impressions--incoming sense data--for the rest of his life. Instead of two signals, he gets half a signal. Which is equally impairing, in my opinion."
"Yes, but partial noncompeting function is better than no function, since twin competing cross-cuing amounts to zero recept form."
"You see, Fred," the other man said, "you no longer have--"
"I will never drop any Substance D again," Fred said. "For the rest of my life."
"How much are you dropping now?"
"Not much." After an interval he said, "More, recently. Because of job stress."
"They undoubtedly should relieve you of your a**ignments," one psychologist said.
"Take you off everything. You _are_ impaired, Fred. And will be a while longer. At the very least. After that, no one can be sure. You may make a full comeback; you may not."
"How come," Fred grated, "that even if both hemispheres of my brain are dominant they don't receive the same stimuli? Why can't their two whatevers be synchronized, like stereo sound is?"
Silence.
"I mean," he said, gesturing, "the left hand and the right hand when they grip an object, the same object, should--"
"Left-handedness versus right-handedness, as for example what is meant by those terms with, say, a mirror image--in which the left hand 'becomes' the right hand . . ." The psychologist leaned down over Fred, who did not look up. "How would you define a lefthand glove compared to a right-hand glove so a person who had no knowledge of those terms could tell you which you meant? And not get the other? The mirror opposite?"
"A left-hand glove . . ." Fred said, and then stopped.
"It is as if one hemisphere of your brain is perceiving the world as reflected in a
mirror. Through a mirror. See? So left becomes right, and all that that implies. And we
don't know yet what that does imply, to see the world reversed like that. Topologically
speaking, a left-hand glove is a right-hand glove pulled through infinity."
"Through a mirror," Fred said. A darkened mirror, he thought; a darkened scanner.
And St. Paul meant, by a mirror, not a gla** mirror--they didn't have those then--but a reflection of himself when he looked at the polished bottom of a metal pan. Luckman, in his theological readings, had told him that. Not through a telescope on lens system, which does not reverse, not through anything but seeing his own face reflected back up at him, reversed--pulled through infinity. Like they're telling me. It is not through gla** but as reflected back by a gla**. And that reflection that returns to you: it is you, it is your face, but it isn't. And they didn't have cameras in those old days, and so that's the only way a person saw himself: backward.
I have seen myself backward.
I have in a sense begun to see the entire universe backward. With the other side of my brain!
"Topology," one psychologist was saying. "A little-understood science or math, whichever. As with the black holes in space, how--"
"Fred is seeing the world from inside out," the other man was declaring at the same moment. "From in front and from behind both, I guess. It's hard for us to say how it appears to him. Topology is the branch of math that investigates the properties of a geometric or other configuration that are unaltered if the thing is subjected to a one-to-one, any one to-one, continuous transformation. But applied to psychology . . ."
"And when that occurs to objects, who knows what they're going to look like then? They'd be unrecognizable. As when a primitive sees a photograph of himself the first time, he doesn't recognize it as himself. Even though he's seen his reflection many times, in streams, from metal objects. Because his reflection is reversed and the photograph of himself isn't. So he doesn't know it's the identical person."
"He's accustomed only to the reverse reflected image and thinks he looks like that."
"Often a person hearing his own voice played back--"
"That's different. That has to do with the resonance in the sinus--"
"Maybe it's you f**ers," Fred said, "who're seeing the universe backward, like in a mirror. Maybe I see it right."
"You see it both ways."