Recognition memory of retrieved sequences of words

The subject was asked to retrieve words belonging to a given category, natural or artificially created. After n words were retrieved, a recognition task was given either immediately after or after a delay (4 hours, 7, 14, or 28 days). Several probe words were presented and the subject had to decide whether each had been retrieved or not. The length of retrieval sequence, n, was systematically varied. Results of three experiments showed that, in general, mean decision time was almost independent of n. Namely, recognition regarding self-generated lists of words seems to be due to a different information processing than recognition regarding lists of words presented by the experimenter to memorize. Implications of the findings for retrieval from long term memory were discussed.     

The modification of intelligence through early experience

Infants judged to be at risk for subnormal intellectual growth were randomly assigned to an Experimental (N = 27) or a Control (N = 25) group. Infants in both groups received medical care and dietary supplements; their families received social work services on a request basis. Experimental children participated in an educational daycare program beginning before the third month of life. The daycare program was composed, in part, of curriculum activities designed to stimulate intellectual growth. Between 6 and 36 months of age, Experimental children maintained normal intellectual growth; Control children declined in IQ beginning between 12 and 18 months of age and remained significantly lower than Experimental children at 24 and 36 months. The mother-child IQ correlation for Control dyads was 43; for Experimental dyads the correlation was ?.05. These two types of evidence are interpreted as support for the importance of early environments in the development of intelligence.     

Auditory perception of speech and speech sounds in recent and recovered cases of aphasia

Auditory perception of speech and speech sounds was examined in three groups of patients with cerebral damage in the dominant hemisphere. Two groups consisted of brain-injured war veterans, one group of patients with high-frequency hearing loss and the other, a group of patients with a flat hearing loss. The third group consisted of patients with recent cerebral infarcts due to vascular occlusion of the middle cerebral and internal carotid artery. Word and phoneme discrimination as well as phoneme confusions in incorrect responses were analyzed from conventional speech audiometry tests with bisyllabic Finnish words fed close to the speech reception threshold of the patient. The results were compared with those of a control group with no cerebral disorders and normal hearing. The speech discrimination scores of veterans with high-frequency hearing loss and patients with recent cerebral infarcts were some 15–20% lower than those of controls or veterans with flat hearing loss. Speech sound feature discrimination, analyzed in terms of place of articulation and distinctive features, was distorted especially in cases of recent cerebral infarcts, whereas general information transmission of phonemes was more impaired in patients with high-frequency hearing loss.     

Roger T. Kelleher, behavior analyst

Roger T. Kelleher, rightly known as one of the foremost contributors to behavioral pharmacology, also made many important contributions to the experimental analysis of behavior. He participated significantly in the development of the discipline, through both his research and his editorial contributions to thisjournal. This article summarizes his contributions to the field of behavior analysis. His most significant empirical and conceptual contributions to behavior analysis came in two domains-conditioned reinforcement and the power of schedules of reinforcement. His accomplishments in these two domains still serve as principal foundations for modern research and theory.     

Homework

In commemoration of Dr. Aaron T. Beck’s enormous contributions to our field, I comment on the state of our knowledge regarding the role of homework in cognitive behavioral therapy. The available evidence suggests homework is a contributor to positive therapeutic outcomes in cognitive behavioral therapy. Although therapists play an important role in facilitating clients’ engagement with homework as they develop greater facility with CBT skills, little is known about the contributions of specific approaches to promoting homework engagement. I highlight some of these strategies and discuss the need for researchers to empirically evaluate them.     

Depression

Beck initially set out to test the Freudian notion that depression is a consequence of “anger turned inward” (rage directed the introjected parent for not gratifying infantile desires) but soon came to conclude that no such unconscious motivation existed and that instead depressed patients actually believe that they were unlovable or inadequate. He developed a treatment that he named cognitive therapy that is as efficacious as and more enduring than antidepressant medications. It stands as the most often tested and most widely practiced treatment for depression.     

Cognitive Reappraisal

A central tenet of Beck’s cognitive therapy (or cognitive behavior therapy) of the emotional disorders is that change in negative thought and beliefs is necessary for clinically significant symptom reduction in anxiety, depression, and other psychological conditions. Cognitive restructuring, a uniquely Beckian innovation, is a treatment strategy that directly targets cognitive reappraisal as the change mechanism responsible for symptom reduction. This commentary considers the origins of cognitive reappraisal in Beck’s cognitive therapy through the lens of cognitive restructuring and what treatment process research tells us about the mechanisms of change in cognitive restructuring.     

Adaptations for Youth

Aaron T. Beck exemplified the clinical scientist, willing to test his hypotheses, and willing to share his experiences and treatment features with others. Assessment and treatment of emotional disorders have been forever improved through the efforts of Aaron T. Beck. Using the psychological treatment of an emotional disorder in youth (i.e., anxiety), this commemorative reflects on how Aaron T. Beck’s clinical strategies have been impactful well beyond his initial focus. As a world-renowned clinical scientist, Beck’s work has influenced multiple fields addressing mental health. As a friend and colleague, Beck was a gentleman and a scholar.