The effects of memory load on the time course of inhibition of return

Inhibition of return (IOR) refers to a processing disadvantage at a recently attended location. It is generally agreed that when elicited in a cue-target task, IOR will not be apparent until attention is disengaged from the originally cued location and returned to a neutral state. Here we test the hypothesis that when such disengagement is dependent on endogenous control, a secondary task that taxes working memory capacity should delay the appearance of IOR. Participants were given a six-item verbal working memory load prior to the peripheral cue in a cue-target detection task. Consistent with the hypothesis, the appearance of IOR was delayed on trials for which participants had to hold information in working memory. Converging evidence was derived from a second experiment in which the time course of IOR’s appearance, when we added a central cue to exogenously remove attention from the peripheral cue, was unaffected by the memory load.     

The Jerusalem TeleRehabilitation System, a new low-cost, haptic rehabilitation approach.

Survivors of brain injury or stroke can improve movement ability with intensive, supervised practice. Since the hours of supervised therapy with a physical or occupational therapist are limited, telerehabilitation will enable patients to greatly expand the hours that they practice therapeutic exercises. The Jerusalem TeleRehabilitation System (JTRS) consists of patient and therapist systems plus a central server and database connected via the internet. The system can work in two modes: (1) a cooperative mode in which the therapist and patient are online at the same time, and (2) a stand-alone mode in which the patient uses the system on his own. In both cases, the system will monitor the status and progress of the patient and various parameters of his movement abilities, and prepare reports for the patient and for the therapist. From the clinic, the therapist will be able to change the screen seen by the patient and change the level and types of tasks, as needed. Compared to existing systems, our system will have the following advantages: (1) inexpensive and easy to use; (2) remote monitoring and control of the patient's computer by the therapist in the clinic; (3) more detailed analysis of patient status and progress; (4) a "smart" system which self-adapts to the patient's capabilities in real time, increasing or decreasing the difficulty of the exercise as needed; and (5) a central, international database which, by gathering data on many patients over time, will provide the basis for "smart" therapy and will also facilitate coordinated multicenter research studies.     

Predictors of suicidal ideation among "at risk" cocaine-using African American women

The focus of this study was to identify factors that differentiate women drug abusers who had experienced suicidal ideation from those who did not. Face-to-face interviews were conducted with 221 cocaine-using women in Atlanta, GA, 88 (39.8%) of whom reported thinking about committing suicide at least once during the 90 days prior to interview and 133 (60.2%) of whom did not. Multivariate logistic regression was used to identify predictors of suicidal ideation, and post hoc goodness-of-fit tests were conducted to assess the robustness of final models derived. Model 1 excluded all psychosocial functioning measures and Model 2 included these items. Both models showed that suicidal ideation was more common among women who were unemployed, had been abused sexually, engaged in sexual relations to cope with stresses, or had less helpful relatives. In addition, Model 1 revealed a heightened risk for women experiencing financial problems and those who had a previous mental health diagnosis, whereas Model 2 showed an elevated risk among women who experienced anxiety and those who had lower levels of self-esteem. These findings suggest the need for prevention and intervention programs that target at-risk women, and for such programs to include an emphasis on suicidal ideation in addition to focusing on risk factors that are addressed more commonly.     

Intermanual interactions related to movement amplitudes and endpoint locations

In almost all studies of bimanual movements with same and different amplitudes, the difference between amplitudes has been confounded with a difference between endpoint locations. The present authors varied those parameters orthogonally. In addition, they presented target locations on the surface on which the movements were produced (direct cues) and on a monitor (indirect cues). Participants' (N = 12) reaction times were longer when both amplitudes and endpoint locations differed than when they were the same. Intermanual amplitude correlations were reduced whenever 1 of the movement parameters differed for the 2 hands; only when cues were presented on the monitor was the amplitude correlation further reduced when both movement parameters were different. The results indicate that structural constraints on bimanual movements take effect on both amplitudes and endpoint locations. The relative importance of those 2 parameters is largely independent of the type of cue.     

The future-orientation of memory: Planning as a key component mediating the high levels of recall found with survival processing

In a series of papers, Nairne and colleagues have demonstrated that tasks encouraging participants to judge words for relevance to survival led to better recall than did tasks lacking survival relevance. Klein, Robertson, and Delton (2010) presented data suggesting that the future-directed temporal orientation of the survival task (e.g., planning), rather than survival per se, accounts for the good recall found with the task. In the present studies we manipulated the amount of survival and planning processing encouraged by a set of encoding tasks. Participants performed tasks that encouraged processing stimuli for their relevance to (a) both survival and planning, (b) planning, but not survival, or (c) survival but not planning. We predicted, and found, that recall performance associated with tasks encouraging planning (i.e., survival with planning and planning without survival) should exceed tasks that encouraged survival but not planning (i.e., survival without planning). We draw several conclusions. First, planning is a necessary component of the superior recall found in the survival paradigm. Second, memory, from an evolutionary perspective, is inherently prospective—tailored by natural selection to support future decisions and judgements that cannot be known in advance with certainty.     

The Religious Schema Scale: Construction and Initial Validation of a Quantitative Measure for Religious Styles

This article presents the Religious Schema Scale (RSS). Its conceptual background is the model of religious styles. After a conceptual discussion of the relation between religious styles and religious schemata, the steps of scale construction are reported. Based on 822 responses from research participants in the United States and Germany to a preliminary 78-item version, we used construct-oriented iterative and factor-analytic procedures for reducing the RSS to a 15-item version that consists of three 5-item subscales with acceptable reliabilities. Confirmatory factor analysis indicates that the RSS has a robust 3-factor structure, which is cross-culturally valid in both the United States and Germany. We report correlations of the RSS with the Big Five, Psychological Well-Being, Religious Fundamentalism, and Right-Wing Authoritarianism. We also present predictive characteristics of the RSS in regard to Fowler's stages of faith. Finally, we report results on the incremental validity of the RSS.     

The Development of Children's Concepts of Hardness

This study was conducted for three purposes. First, we assessed the development of children's concepts of hardness as an intensive physical quantity. We hypothesized a U-shaped behavioral growth curve for children's judgments on tasks measuring intensive physical quantity, but the hypothesis was not confirmed. The justifications accompanying correct and incorrect judgments for hardness were similar to those where U-shaped behavioral growth was found for other intensive physical quantities (temperature and sweetness). The second purpose was to determine how children solve seriation and transitivity tasks where hardness was the content. More older than younger children solved these tasks, and the transitivity task was correctly solved after the seriation task was correctly solved. One pattern of solutions for transitivity and intensive physical quantity allowed for differentiation between younger and older children who solved the intensivity tasks correctly. The third purpose was to determine whether children think that objects' hardnesses are labile (i.e., hard objects can become soft and vice versa) by simply adding more of that substance. More younger than older children thought that this was true     

Book Reviews

Dan Olweus. Prediction of Aggression (On the Basis of a Projective Test). Stockholm: Scandinavian Test Corporation, 1969. Reviewed by A. I. Rabin

F. D. Naylor. Personality and Educational Achievement. New York: Wiley, 1972, 162 pages, $6.95. Reviewed by Frank H. Farley

Hendrik M. Ruitenbeek (Ed.) The Analytic Situation: How Patient and Therapist Communicate. Chicago: Aldine, 1973, 222 pages, $8.50. Reviewed by Emanuel Berman     

Managing deviance: Hustling,homophobia, and the bodybuilding subculture

The subculture of bodybuilding is the backdrop of an analysis of some contradictions inherent in American masculinity. One of the most unusual, but telling of these has to do with “hustling”: the widespread selling of sexual favors by bodybuilders to gay men. In this, one also finds the incongruent presence of homophobia. Hence, homosexual behavior is juxtaposed by anti‐homosexual behavior. This study shows that this irony is necessary if the hustler is to maintain his alleged heterosexual identity. Hypermasculinity and strategies of economic survival in the highly competitive southern California bodybuilding scene are also examined in relation to hustling and more generally to American masculinity. Contradictions in bodybuilding are shown to be more problematic than studies of other street hustlers and prison populations where homosexual behavior is juggled with heterosexual identity.