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About Medford mail tribune. (Medford, Or.) 1909-1989 | View Entire Issue (June 20, 1963)
i i li MEDFORD MAIL TRIBUNE. MEDFORD. OREGON THURSDAY. JUNE 20. IMS B 3 'Monkey Shines' Backfire on Lab Animals By WALTER C. EVA Seattle - HIPS - A Univer sity of Washington research er is conducting "split-brain" surgery on monkeys and he hopes his research will an swer some questions which have battled scientists for cen turies. D r . Mitchell GUckstein says the split brain technique has the effect of endowing the monkey with two brains that can operate independently of eacn outer. By severing the corpus cal losum, a bundle of nerve fi bers which connect the two halves of the brain, GUckstein has found that each hand can be taught different be havior patterns. What one hand is able to do the other is unable. The implications for ad vancing the body of knowl edge about brain function are considerable. No Clear-Cut Function "Most of the brain has no clear - cut function that we know of," GUckstein said, "We know roughly that cer tain areas are responsible for motor function, and touch, visual and auditory sensations. "However, we know very little about how these areas rtmmunicate with each oth- ii for example, how the eye and the hand work to gether beautifully in mil lions of ways." GUckstein said the compari son of the brain to a network of telephone wires has proven to be of little value in understanding the brain's actual function. To study the coordination of the eye and the hand in the monkey, GUckstein sev ered another bundle of nerves the optic chiasm, which trans ports sight sensations from the eye to the opposite side of the brain. In this way, the picture that one eye sees will go to that side of the brain only. To Perforin Tricks ' With these two bundles of nerves bisected, GUckstein said, the animal will still be able to perform certain tricks which it had learned previ ously. But now, if the pre frontal areas of the brain are also removed, the monkey loses the ability to do these tasks, he added. Apparently, the monkey forgets how to perform the tricks, leading to the conclu sion that the prefrontal areas are somehow involved in the memory of experiences which require coordination of t h e hand and the eye, he said. GUckstein said if one pre frontal area is removed, the animal will be able to master the task provided the eye on the intact side if the brain is permitted to see how it is done, but not if that eye is covered. MEN'S RIO. 3.9 Pr Save 16. Brent pullover or coat style pojamos. San- fori zed cotton broadcloth. Prints, stripes. 333 .1 MIN'S 7 COCKf 30 off Supima cotton argytn. 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SAVINGS BOYS' NO-IRON COLLAR-MODEL KNIT1 SHIRTS IM -ACM .t 1 i REG. 1.98. Here's a real start-of-the-season buy at .Wards! Short sleeve pop-over knit shirts of fine combed cotton with . button or zip plackets '. . , button-down, fash ion Or striped Italian collars . . . even golfer styles with underarm gussets! Colors. 6-1 8. 16 FINE PAfTERHS S AVI ON VtNYUtURFACI FLOORING Wards own Style House roto vinyl In wide range of pat terns and colors. Long wear ing; stain, splll-reststanti needs only occasional wax ing. 1 2 wide, run, ft. 1.84 1 24 stte. us v vnet Travel-Talk Given At YA Domiciliary The final travel-talk in the 1962-63 series sponsored by the American Red Cross at the Veterans Administration Domiciliary, White City, was aivpn parlier this week bv Mrs. Clarence Miller of Med ford, in the Domiciliary the atre. Thp talk, illustrated by color slides, described the trip taken two years ago by Mr. and Mrs. Miller. Miller teach es at Crater High school. The Millers wer joined by their daughter, Carolyn, in London, from where they toured Eng land, Scotland, Wales and Ire land by car. Camping" out most of the time, the Millers were able to visit and photograph places not on the usual tourist itin erary. Among the more famous places shown were the Shake spearean theater and Ann Hathaway's cottage at Strat-ford-on-Avon, William Words worth's cottage In the English Lake country, and Tara, the ruined stronghold of Ireland's ancient kings. The Millers went to Ostend, Belgium, and from there to Holland where they visited Edam and Delft. Following the talk refresh ments were served. Those hoinino in the serving includ ed Mrs. Leatha Jones of the American Red Cross and Miss Enid A. Holmes, chief librar ian at the Domiciliary, who announced that a new series et travel-talks will begin next fill. 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