By Zumdahl S.S.
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Extra info for Chimie generale
Here, the experimenter usually helps the rat out by throwing in a "click" so that, when the rat presses the bar, there is the distinctive sound of the food magazine. Thus the click is typically one of the main discriminative stimuli for approaching the food tray. But the click is not necessary. A rat will learn with a quiet food mechanism or with clicks going on indiscriminately. The essential ingredient for building a discriminative chain is a set of stimuli which consistently occurs when the animal looks at the bar, addresses the bar, touches the bar, presses the bar, etc.
I. Kruglikov, and I. A. Kolomeitseva, The role of the synthesis of nucleic acids in the mechanism of stabilization of conditioned reflexes and memory. Bull. Exp. Bioi. , 1965, 12, 6. Pevzner, L. , Nucleic acid changes during behavioral events, in J. , Macromolecules and Behavior. , 1966. , Magnesium pemoline: enhancement of learning and memory of a conditioned avoidance response. Science, 1966, 151,703. Pribram, K. , Some dimensions of remembering: steps toward a neuropsychological model of memory, in J.
In making a nerve cell different from a liver or kidney cell. Likewise, there would be DNA sites which would synthesize messenger RNA's for the enzymes involved in synaptic events, choline acetylase (for the production of ACh) and AChE. Other DNA's, RNA's, and proteins might be specific to nerve cells but would be involved in behavior in general. The ideas of Barondes (1965) and those of Dingman and Sporn (1964), emphasizing neural circuitry, illustrate this possibility. Although the first possibility is the most interesting of the three, there is no strong conclusive evidence to support it and it seems to be the one which has the lowest probability of being confirmed.
Chimie generale by Zumdahl S.S.