The Executive Decline Hypothesis of Cognitive Aging: Do Executive Deficits Qualify as Differential Deficits and Do They Mediate Age-Related Memory Decline?

This paper reports the results of two studies which investigated whether aging is associated with a differential deficit in executive function, compared with deficits in general cognitive ability (Wechsler Adult Intelligence Scale-Revised performance). Further, the studies investigated the specificity of the executive decline hypothesis of memory and aging by examining whether declines in executive function mediate age-related memory decline over and above the variance in memory accounted for by general cognitive ability. The results of Study 1 showed no consistent evidence of a differential decline in executive function among a sample of participants aged between 18 and 75 years. The results of Study 2 indicated a differential decline in one indicator of executive function, the Modified Card Sorting Test, among an older sample aged between 60 and 89 years. Both studies demonstrated that measures of executive function accounted for age-related variance in free recall, recognition, and serial recall, even after controlling for general cognitive ability. However, in Study 1, once variance attributed to speed of processing was taken into account, executive function did not contribute further to the age-related variance.     

Psychological adjustment of children in the pretransplant phase of bone marrow transplantation: Relationships with parent distress,parent stress,and child coping

Families of 22 children preparing to undergo bone marrow transplantation (BMT) provided information concerning parent-reported major negative life stress, child coping strategies, parental psychological symptomatology, and child adjustment. Immediately prior to BMT, children and families are confronted with multiple stresses which challenge the child's coping and strain the parents' ability to assist the child with coping. Hence, stress, parental adjustment (distress), and child coping may be important factors affecting the child's overall psychological adjustment. Results showed that 15–25% of children and parents experienced clinically significant levels of psychological distress. Parent and child psychological distress were closely related. Major negative life stresses experienced by the parent and use of avoidant coping by the child significantly predicted child adjustment problems in the pretransplant period. Coping skills interventions targeting avoidant coping and management of parental stress/distress may reduce child psychosocial risk prior to BMT.     

An eye movement analysis of the spatial contiguity effect in multimedia learning

In three studies, eye movements of participants were recorded while they viewed a single-slide multimedia presentation about how car brakes work. Some of the participants saw an integrated presentation in which each segment of words was presented near its corresponding area of the diagram (integrated group, Experiments 1 and 3) or an integrated presentation that also included additional labels identifying each part (integrated-with-labels group, Experiment 2), whereas others saw a separated presentation in which the words were presented as a paragraph below the diagrams (separated group, Experiments 1 and 2) or as a legend below the diagrams (legend group, Experiment 3). On measures of cognitive processing during learning, the integrated groups made significantly more eye-movements from text to diagram and vice versa (integrative transitions; d = 1.65 in Experiment 1, d = 0.85 in Experiment 2, and d = 1.44 in Experiment 3) and significantly more eye-movements from the text to the corresponding part of the diagram (corresponding transitions; d = 2.02 in Experiment 1 and d = 1.35 in Experiment 3) than the separated groups. On measures of learning outcome the integrated groups significantly outperformed the separated groups on transfer test score in Experiment 1(d = .80) and Experiment 2 (d = .73) but not in Experiment 3 (d = .35). Spatial contiguity encourages more attempts to integrate words and pictures and enables more successful integration of words and pictures during learning, which can result in meaningful learning outcomes.     

Nature and role of change in anxiety sensitivity during NRT-aided cognitive-behavioral smoking cessation treatment

This study evaluated the associations between change in anxiety sensitivity (AS; fear of the negative consequences of anxiety and related sensations) and lapse and relapse during a 4-week group NRT-aided cognitive-behavioral Tobacco Intervention Program. Participants were 67 (44 women; M (age) = 46.2 years, SD = 10.4) adult daily smokers. Results indicated that participants who maintained high levels of AS from pretreatment to 1 month posttreatment, compared to those who demonstrated a significant reduction in AS levels during this time period, showed a significantly increased risk for lapse and relapse. Further inspection indicated that higher continuous levels of AS physical and psychological concerns, specifically among those participants who maintained elevated levels of AS from pre- to posttreatment, predicted significantly greater risk for relapse. Findings are discussed with respect to better understanding change in AS, grounded in an emergent taxonic-dimensional factor mixture model of the construct, with respect to lapse and relapse during smoking cessation.     

Social Cognitive Predictors of Body Image in Preschool Children

To better understand origins of gender differences in body confidence, the present study examines predictors of body image suggested by Social Cognitive Theory (A. Bandura, 1997): models (from mothers, peers), verbal messages (from mothers, peers, teachers), physiological factors (age, body mass, health status), and experience of competence related to body image (social competence, food competence). Variables were gathered from child interviews, mother questionnaires, and teacher questionnaires for 94 preschool children (52 boys, 42 girls; mean age – 54.2 months; 90.2% Caucasian). Body image was measured with seven same-gender silhouettes (M. E. Collins, 1991). No gender differences were found for the body image of preschool children. Messages from the mother to “be bigger” were the most consistent predictor of body image. However, only for boys were mother's messages a valid reflection of the child's actual body mass, which if continued, could produce greater body confusion for girls at later ages.