The model stresses interactions among specific combinations of cognitive task requirements, learner characteristics, and instructional treatment properties, in a manner analogous to the aptitude-treatment interaction (ATI) model. "Supplantation" is the provision of overt assistance to learners in performing a specific process required by…

The article summarizes the developmental processes of adolescents (age 12-18) and reviews literature concerning the adolescent's use of television, newspapers, periodicals, records, and radio. (KC)

Described is an in-class demonstration of mass reaction time which measures the speed of nerve impulses and the duration of various cognitive processes. A simpler version of the experiment for at-home use is described. (Author/DB)

Notes that psycholinguists have studied "fast mapping," and behavior analysts have studied the phenomenon of"learning by exclusion." Reviews the research protocols, questions, and outcomes of these two research lines to show their clear similarities, to support the argument that both disciplines are studying a single…

This review of research discusses how children with autism may acquire equivalence classes after learning to supply a common oral name to each stimulus in a potential class. A proposed methodology for researching referent naming and class formation, analysis of stimulus classes, and generalization is offered. (CR)

Describes a theoretical framework of distributed representations to explore the representational properties in group problem solving. The experiment shows that different distributed representations across two individuals produced dramatically different group problem-solving behaviors; and two minds could be better than one mind, depending on how…

The present studies explored the role of the medial striatum in learning when task contingencies change. Experiment 1 examined whether the medial striatum is involved in place reversal learning. Testing occurred in a modified cross-maze across two consecutive sessions. Injections of the local anesthetic, bupivacaine, into the medial striatum, did…

Damage to the medial region of the thalamus, both in clinical cases (e.g., patients with infarcts or the Korsakoff's syndrome) and animal lesion models, is associated with variable amnesic deficits. Some studies suggest that many of these memory deficits rely on the presence of lateral thalamic lesions (LT) that include the intralaminar nuclei,…

Although it may be disconcerting to contemplate, true and false memories arise in the same way. Memories are attributions that we make about our mental experiences based on their subjective qualities, our prior knowledge and beliefs, our motives and goals, and the social context. This article describes an approach to studying the nature of these…