Conditioned Cat-fish
(N.Z. Press Assn.— Copvrighl) NEW YORK April 2. A research psychologist has found that some fish can be conditioned to discharge intensive bursts of electricity on command by rewarding them with food, the “New York Times” news service reported.
A light bulb was placed near a tank containing a small African catfish that characteristically emits ■ 10 105-volt bursts of electricity a day. Dr. Frank Mandriota of City College said in explaining his experiment. A specially - constructed feeding machine dropped live worms into the tank as a reward if the fish discharged the "electric organs” in its tail after the light was flashed. The cat-fish took three months to learn to feed itself in this way, the psycho legist reported.
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Bibliographic details
Press, Volume CVI, Issue 31335, 4 April 1967, Page 12
Word Count
121Conditioned Cat-fish Press, Volume CVI, Issue 31335, 4 April 1967, Page 12
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