Regulation of brain activity in the fusiform face and parahippocampal place areas in 7–11-year-old children

Developmental studies have demonstrated that cognitive processes such as attention, suppression of interference and memory develop throughout childhood and adolescence. However, little is currently known about the development of top-down control mechanisms and their influence on cognitive performance. In the present study, we used functional magnetic resonance imaging to investigate modulation of activity in the ventral visual cortex in healthy 7–11-year-old children and young adults. The participants performed tasks that required attention to either face (Fs task) or scene (Sf task) images while trying to ignore distracting scene or face images, respectively. A face-selective area in the fusiform gyrus (fusiform face area, FFA) and an area responding preferentially to scene images in the parahippocampal gyrus (parahippocampal place area, PPA) were defined using functional localizers. Children responded slower and less accurately in the tasks than adults. In children, the right FFA was less selective to face images and regulation of activity between the Fs and Sf tasks was weaker compared to adults. In the PPA, selectivity to scenes and regulation of activity, there according to the task demands were comparable between children and adults. During the tasks, children activated prefrontal cortical areas including the middle (MFG) and superior (SFG) frontal gyrus more than adults. Functional connectivity between the right FFA and left MFG was stronger in adults than children in the Fs task. Children, on the other hand, had stronger functional connectivity than adults in the Sf task between the right FFA and right PPA and between right MFG and medial SFG. There were no group differences in the functional connectivity between the PPA and the prefrontal cortex (PFC). Together the results suggest that, in 7–11-year-old children, the FFA is still immature, whereas the selectivity to scenes and regulation of activity in the PPA is comparable to adults. The results also indicated functional immaturity of the PFC in children compared to adults and weaker connectivity between the PFC and the rFFA, explaining the weaker regulation of activity in the rFFA between the Fs and Sf tasks.     

Zeno and flow of information

Although the current literature on supertasks concentrates largely on their supposed physical implications (extending the tradition of Zeno’s classical paradoxes of movement), in this study I propose a new model of supertask that explores for the first time some of their information-related consequences and I defend these consequences from a possible criticism.     

Are stepfathers’ education levels associated with the intelligence of their stepsons? A register‐based study of Norwegian half‐brothers

We examined the relationship between the parents’ education levels and the adult intelligence of their children in a population‐based, nationwide sample of Norwegian half‐brothers with different fathers (2,016 pairs of half‐brothers). In a family where the mother has two children with different men, the firstborn child usually lives with the younger child's father during a period of their childhood. This makes it possible to study the non‐genetic effects of paternal education on children's development. Results showed that the education level of the younger half‐brother's father was positively associated with the intelligence score of the older half‐brother. The education level of the older half‐brother's father was not associated with the intelligence score of the younger half‐brother. Firstborn men whose half‐brothers’ fathers had high levels of education had intelligence scores that were 33% (95% confidence interval: 18–47%) of a standard deviation higher than those of firstborn men whose half‐brothers’ fathers had low levels of education, after adjustment for the biological fathers’ education levels, mothers’ education levels, and other background factors. These findings are compatible with the hypothesis that a child's family environment exerts an effect on the cognitive abilities of the child that lasts into adulthood.     

Some Characteristics of the Written Speech of Stutterers: I.

Abstract

(Bühler, Charlotte. The Child and his Family. Translated by Henry Beaumont. New York: Harper, 1939. Pp. 187.) Reviewed by Walter L. Wilkins     

Validation of the SASB Introject Surface in a Norwegian Clinical and Nonclinical Sample

Aronow, Reznikoff, and Moreland (this issue) have written a thoughtful contribution to the debate on the status of nomothetic and idiographic approaches to the Rorschach test. One of the interesting and attractive features of the current Rorschach er a is—as the Rorschach has experienced a resurgence of interest—the continuing interest in the foundations of the test and the historic antecedents to contemporary thought about the Rorschach (cf. Handler, 1994). One cannot consider Rorschach's seminal insights or those of the first and second generation and not deepen one's contemporary understanding and practice. In other words, the more you know about the test, the better "Rorschacher" you will be. This is witness to the test's utility and profundity. For this we may be grateful for the thought-provoking contribution of Aronow and his colleagues.     

Varying Cautionary Instructions,Monetary Incentives,and Comorbid Diagnostic Training in Malingered Psychopathology Research

In this article, we combine two analogue experiments in which we empirically examined three malingering methodological issues in individuals trained and instructed to simulate posttraumatic stress disorder (PTSD) on the Trauma Symptom Inventory (TSI; Briere, 1995 Briere, J. 1995. Trauma Symptom Inventory professional manual, Odessa, FL: Psychological Assessment Resources.  [Google Scholar]). In Experiment 1, we examined TSI scale effects of the following manipulations using a 2 × 2 design with 330 college students: (a) inclusion or exclusion of cautionary instructions regarding believability of participants' simulation and (b) different financial incentive levels. In Experiment 2, we examined comorbid psychiatric diagnostic training with 180 college students who were either trained to simulate PTSD and comorbid major depressive disorder or trained to simulate only PTSD. Caution main effects were significant for all but two TSI Clinical Scales, incentive main effects and interactions were only significant for one Clinical scale each, and the comorbidity manipulation did not yield any scale differences. We discuss malingering research design implications regarding the use of cautionary instructions, financial incentive levels, and comorbid training.     

Assessment of Affect Integration: Validation of the Affect Consciousness Construct

Affect integration, or the capacity to utilize the motivational and signal properties of affect for personal adjustment, is assumed to be an important aspect of psychological health and functioning. Affect integration has been operationalized through the affect consciousness (AC) construct as degrees of awareness, tolerance, nonverbal expression, and conceptual expression of nine discrete affects. A semistructured Affect Consciousness Interview (ACI) and separate Affect Consciousness Scales (ACSs) have been developed to specifically assess these aspects of affect integration. This study explored the construct validity of AC in a Norwegian clinical sample including estimates of reliability and assessment of structure by factor analyses. External validity issues were addressed by examining the relationships between scores on the ACSs and self-rated symptom- and interpersonal problem measures as well as independent, observer-based ratings of personality disorder criteria and the Global Assessment of Functioning (GAF) scale from the Diagnostic and Statistical Manual of Mental Disorders (4th ed. [DSM–IV]; American Psychiatric Association, 1994).     

Locus of Control Orientation Among Obese Adults in Outpatient Treatment for Obesity

We studied locus of control (LOC) in samples of obese and nonobese subjects. We administered Rotter's (1966) I-E Scale to 106 obese adults in outpatient treatment for obesity and to 99 nonobese controls. The obese subjects were significantly more internally oriented than the control group. These findings challenge currently held assumptions on the directionality of LOC in obese groups. The results contradict the consensus among researchers that obese individuals have an external LOC orientation. The finding that internal LOC is associated with the obese condition may be a useful predictor variable influencing obesity treatment, approaches, and outcome.     

Using Temporal Profiles and a Deviation from Balanced Approach to Understand Alcohol and Mental Health Problems

Abstract

The present study examined how multiple operationalizations of Zimbardo Time Perspective Inventory (ZTPI) scores (raw scores; temporal profiles, based on cluster analysis; and the Deviation from a Balanced Time Perspective, or ‘transformed’ methodology) were related to both alcohol-related problems and symptoms of anxiety and depression. Participants were a large (N?=?816) university sample in the United Kingdom. A total of four time perspective profiles were observed: Futures, Presents, Past Negative-Futures, and Fatalists. Having a Present profile was associated with the worst alcohol-related outcomes. With regard to psychopathology, individuals with a Future profile reported the least anxious and depressive symptoms, and individuals with a Fatalistic profile reported the highest levels of depression. The effect of transformed scores was less robust, though greater deviation from a balanced perspective was associated with somewhat higher symptoms of anxiety and depression. Further, models using raw ZTPI dimension scores explained a greater amount of variance than models using the transformed scores. This study suggests that operationalizing the ZTPI in different ways produces results, which differ both in magnitude and statistical significance. We recommend that future studies using the ZTPI employ these various operationalizations in order that consensus on the optimal approach can be reached.     

Hunger-related intrusive thoughts reflect increased accessibility of food items

The elaborated intrusion model (Kavanagh, Andrade, & May, 2005) argues that a craving episode begins with a desire-related intrusive thought. This study tests the assumption that such intrusive thoughts, during hunger, reflect an increase in accessibility of food-related information in memory. Fifty-six undergraduates were randomly assigned to hungry or satiated conditions. Hunger was manipulated by asking the “hungry” group to abstain from eating breakfast and snacks prior to testing before lunch, while the “satiated” group was asked to eat normally and attend testing after lunch. Participants completed a lexical decision task containing food-related and neutral words, an intrusive thoughts questionnaire and a hunger questionnaire. Priming for food-related items relative to neutral on the lexical decision task was higher for hungry participants than satiated participants. Priming correlated strongly with frequency of food-related intrusive thoughts during the task. We conclude that desire-related lexical decision priming could provide a useful objective correlate of proneness to desire-related intrusions.