What is the role of the cerebellum in motor learning and cognition?

The exact role of the cerebellum in motor learning and cognition is controversial. Nonetheless, recent ideas and facts have prompted an attempt at building and testing a more unified and coherent conceptualization. This article will suggest that the cerebellum might indeed participate in both motor control and cognition, and in motor adaptation, motor learning, and procedural learning. The proposed process would entail stimulus-response linkage through trial and error learning, and would consist of groupings of single-response elements-motor and cognitive-into large combinations. After practice, the occurrence of a sensory or experiential `context' would automatically trigger the combined response. The parallel fiber is the proposed agent of stimulus-response linkage and of combining the response elements. The attempt here is to focus on the role of the parallel fiber as a possible combiner of downstream motor and cognitive elements.     

Gender role identity and dating behavior: What is the relationship?

The influence of gender role identity on dating behaviors of college students was examined using the Bem Sex Role Inventory and a behavioral questionnaire constructed by the author. One hundred and ninety-seven students were classified as androgynous, undifferientated, feminine, or masculine based on their Bem Sex Role Inventory scores. A behavioral questionnaire was used to generate two self-report behavioral indexes: the masculine dating behavior and feminine dating behavior indexes. Results indicated that high-masculine individuals (androgynous and masculine individuals) scored higher on the masculine dating behavior index and that high-feminine individuals (androgynous and feminine individuals) scored higher on the feminine interactional index. The results of this study support the hypothesis that gender role identity influences self-reported dating behavior of college students.     

What is the role of affect in the spacing effect?

In Experiments 1 and 2, after studying a list containing connotatively neutral words that were presented once or were presented at various spacing intervals, subjects either attempted free recall or made affective judgments of the study-list targets along a pleasant/unpleasant dimension. Spacing effects occurred in recall, and massed items were judged to be more unpleasantthan once-presented and spaced words. In the third experiment, subjects studied homogeneous lists composed of either connotatively good words or connotativelybad ones. Spacing effects were absent in the recall of both types of words because massed-practice words were recalled at a high level, one that was about the same as that for spaced-practice words. Affective judgments were unrelated to presentation condition, and both good and bad massed words were judged to be positive in affect. Although the data suggest that different study conditions can lead to different affective reactions, the results are moot with regard to the relationship between affect and the magnitude of spacing effects.     

What is the Role of Culture in the Association of Relationships with Health?

There is now widespread recognition that relationships have important implications for health. To better understand this linkage, scholars have called for greater bridging between relationship science and the study of health. The goal of this paper is to raise awareness of another factor that needs to be incorporated into this area of study: culture. I recommend three steps that researchers can take to systematically incorporate culture into the study of relationships and health. First, I suggest four possible culture patterns to study: similarity, moderation, mediation, and novel constructs. Second, I suggest that theoretically meaningful cultural variation and multiple cultures be concurrently studied. The value of this strategy is highlighted via examples from three contexts that emphasize distinct approaches to self and emotion in relationships. Third, I suggest that key relationship processes in families and couples, two relationships with extensive implications for health, be studied. Selected studies of four relationship processes known to be relevant for health – expectations, formation and maintenance, emotions, and social support – are briefly reviewed to highlight the value of this focus. The theoretical and applied benefit of incorporating culture into the study of the association of relationships with health is discussed.     

What is the role of narcissism in the relationship between impulsivity and driving anger expression?

The contributing factors of aggressive driving have been studying in the last decades. Both impulsivity and narcissism are associated with aggressive driver behaviors. Although the role of these two factors were examined in the same studies, the combined role of these two factors hasn’t been studied yet. To understand the combined effect of them, in the present study, the moderated mediation model for examining the relationships of narcissism, impulsivity, and aggressive driver behavior was developed and tested. Three hundred and four participants completed an online survey battery comprised of Demographic Information Form, Five-Factor Narcissism Inventory-Short Form, Barrat Impulsiveness Scale- Short Form, and Driving Anger Expression Inventory. The moderated mediation analyses were conducted using PROCESS macro developed by Hayes and Preacher (2013). The results revealed that only the relationship between vulnerable narcissism and the use of vehicle to express anger is mediated by attentional impulsiveness. Also, this relationship is moderated by grandiose narcissism. In detail, grandiose narcissism moderates the direct effect of vulnerable narcissism on attentional impulsivity and also the direct effect of attentional impulsivity on the use of vehicle to express anger. Theoretical and practical implications of these findings and recommendations for future studies are discussed.     

Commentary: What is the Meaning and Utility of the Psychopathy Concept?

The concept and measurement of psychopathy in young people is discussed with respect to five key issues: (1) the respective merits of self-reports and ratings by others; (2) whether callous/unemotional (CU) features may be more appropriately tapped by physiological measures; (3) the possible utility of genetic studies; (4) the distinctiveness of CU from other risk factors for antisocial behavior; and (5) the homogeneity of CU as a construct.     

Attention and the right-ear advantage: What is the connection?

Dichotic listening originally was a means of studying attention. Half a century ago Doreen Kimura parlayed the dichotic method into a noninvasive indicator of lateralized cerebral language representation. The ubiquitous right-ear advantage (REA) for verbal material was accepted as a concomitant of left-sided language lateralization and preferential conduction of right-ear messages to the left hemisphere. As evidence has accumulated over the past 50years showing the REA to be dynamic and modifiable, the concept of attention has become essential for interpreting the findings. Progress in understanding the role of attention has been manifested as a transition from efforts to document attention effects to efforts to characterize their mechanisms. We summarize the relevant evidence, trace the evolution of explanatory models, and outline contemporary accounts of the role of attention in dichotic listening.     

What is the role of two-wave designs in clinical research? Comment on Hageman and Arrindell

Traditional beliefs about regression to the mean, difference scores (d-scores) and corrections for regression in determining the significance of individual person change have been challenged by proponents of growth curve modeling for the study of change. These challenges have generally not been adequately addressed by those proposing modifications to Jacobson's Reliable Change Index (RC). It is proposed that (1) two-wave designs and RC or variations of it are not very good methods for the scientific study of change, (2) multi-wave designs are better, (3) d-scores are unbiased data for analyzing two-wave studies, (4) RC is relatively more justifiable than most corrected or adjusted forms of RC, (5) the more appropriate place for two-wave designs and RC are in program or outcome evaluation and (6) the most appropriate function for RC is to facilitate communication among evaluators, public decision makers, providers and the public. In the absence of a 'gold standard' or consensus, it is recommended the only RC be used in outcome evaluation, in the near future, in order to enhance comparability of change rate data among different studies.     

What is the Problem of Non-Existence?

It is widely held that there is a problem of talking about or otherwise representing things that not exist. But what exactly is this problem? This paper presents a formulation of the problem in terms of the conflict between the fact that there are truths about non-existent things and the fact that truths must be answerable to reality, how things are. Given this, the problem of singular negative existential statements is no longer the central or most difficult aspect of the problem of non-existence, despite what some philosophers say.     

What is the point of helping?

Philosophical Studies - In some cases, a group of people can bring about a morally bad outcome despite each person’s individual act making no difference with respect to bringing that outcome...     

What is the Point of Sufficiency?

Telic sufficientarians hold that there is something special about a certain threshold level such that benefiting people below it, or raising them above it, makes an outcome better in at least one respect. The article investigates what fundamental value might ground that view. The aim is to demonstrate that sufficientarianism, at least on this telic version, is groundless and as such indefensible. The argument is advanced in three steps: first, it is shown that sufficientarianism cannot be grounded in a personal value. Neither, secondly, is it committed to the person‐affecting view, the view that says that nothing can be better (worse) if there is no one for whom it is better (worse). This, in itself, is of interest because some sufficientarians reject egalitarianism precisely for its alleged incompatibility with the person‐affecting view. Sufficientarians' disavowal of the person‐affecting view implies that their view, similarly to egalitarianism (and, perhaps less famously, prioritarianism), must be anchored in some impersonal value. But crucially, and this is the third step of the argument, there is no apparent value that can fit that role. We must conclude, then, that telic sufficientarianism is groundless.     

Underdetermination and Meaning Indeterminacy: What is the Difference?

The first part of this paper discusses Quine’s views on underdetermination of theory by evidence, and the indeterminacy of translation, or meaning, in relation to certain physical theories. The underdetermination thesis says different theories can be supported by the same evidence, and the indeterminacy thesis says the same component of a theory that is underdetermined by evidence is also meaning indeterminate. A few examples of underdetermination and meaning indeterminacy are given in the text. In the second part of the paper, Quine’s scientific realism is discussed briefly, along with some of the difficulties encountered when considering the ‘truth’ of different empirically equivalent theories. It is concluded that the difference between underdetermination and indeterminacy, while significant, is not as great as Quine claims. It just means that after we have chosen a framework theory, from a number of empirically equivalent ones, we still have further choices along two different dimensions.     

What is the Normativity of Meaning?

There has been much debate over whether to accept the claim that meaning is normative. One obstacle to making progress in that debate is that it is not always clear what the claim amounts to. In this paper, I try to resolve a dispute between those who advance the claim concerning how it should be understood. More specifically, I critically examine two competing conceptions of the normativity of meaning, rejecting one and defending the other. Though the paper aims to settle a dispute among proponents of the claim that meaning is normative, it should be of interest to those who challenge it. After all, before one takes aim, one’s target needs to be in clear view.