Factors affecting the measurement of classically conditioned fear following exposure to escapable vs inescapable signaled shock. Development of habituation in the chick. Cholinergic involvement in inhibitory behavior of the young chick.
Activity changes during a conditioned aversive stimulus in rats with septal lesions.
Intertrial interval length and discrimination learning in young chicks. Serotonergic and cholinergic mechanisms and passive avoidance learning in young chicks. Atropine disrupts passive avoidance learning in young chicks. The effect of para-chlorophenylalanine and scopolamine on passive avoidance learning in chicks. Effects of punishment and pre-extinction training.