- Full text PDF available (0)
A review of recent advances in the structure and properties of brain endogenous oligopeptides and their analogs is given. The principal attention is drawn to the stimulators of learning long-term memory, sleep and analgetic oligopeptides.
Studies have been made on the effect of an immunostimulator - the complete Freund's adjuvant - upon the learning ability in Wistar rats for visual discrimination using food-obtaining and avoidance of the electric shock techniques. Injection of the adjuvant significantly increases learning ability provided negative reinforcement technique is used, but… (More)