Extraversion and reward-related processing: probing incentive motivation in affective priming tasks

Based on an incentive motivation theory of extraversion (Depue & Collins, 1999), it was hypothesized that extraverts (relative to introverts) would exhibit stronger positive priming effects in affective priming tasks, whether involving words or pictures. This hypothesis was systematically supported in four studies involving 229 undergraduates. In each of the four studies, and in a subsequent combined analysis, extraversion was positively predictive of positive affective priming effects, but was not predictive of negative affective priming effects. The results bridge an important gap in the literature between biological and trait models of incentive motivation and do so in a way that should be informative to subsequent efforts to understand the processing basis of extraversion as well as incentive motivation.     

Retrieval of event files can be conceptually mediated

Distractor-based retrieval of event files was assessed with a sequential priming experiment using a four-choice identification task. Pictures or sounds of four different animals (frog, chicken, lamb, singing bird) had to be categorized by pressing one of four keys. On each trial, a target and a distractor stimulus were presented simultaneously in different modalities. The relevant modality switched randomly between trials. Distractor repetition effects were modulated by the response relation between the prime and probe: Repeating the prime distractor in the probe produced facilitation if the response repeated, but not if a different response had to be given in the prime and probe. Repeating the prime distractor in the probe led to an automatic retrieval of the prime response. Importantly, this distractor-based response retrieval effect also emerged for those sequences in which the modality of the repeated distractor was switched between the prime and probe. This cross-modal priming effect indicates that distractors were integrated into event files on a conceptual level and that response retrieval processes were mediated by conceptual codes of the distractor stimuli.     

Cognitive sources of evidence for neuroticism's link to punishment-reactivity processes

Theories of neuroticism emphasise its close potential link to punishment-reactivity processes, yet cognitive sources of evidence for this proposed processing basis are surprisingly scarce. The present two studies (N = 123) sought to rectify this important gap in the literature in terms of reactivity to error feedback. Study 1 found that individuals high in neuroticism were faster to switch behavioural responses following errors, whereas an opposite pattern was found among individuals low in neuroticism. Study 2 extended this error-reactivity perspective to the realm of behavioural decision making. Individuals high in neuroticism switched their behavioural predictions following error feedback, whereas this tendency was non-significant among individuals low in neuroticism. Together, the studies present novel, but theory-informed, cognitive paradigms for assessing punishment-reactivity processes, confirm neuroticism's link to such processes, and do so in the realms of both reaction time (Study 1) and behavioural predictions (Study 2). The discussion focuses on the utility of modelling punishment-reactivity processes in cognitive terms and highlights relevant directions for future research.     

Are self-deceivers enhancing positive affect or denying negative affect? Toward an understanding of implicit affective processes

Self-deception is an important construct in social, personality, and clinical literatures. Although historical and clinical views of self-deception have regarded it as defensive in nature and operation, modern views of this individual difference variable instead highlight its apparent benefits to subjective mental health. The present four studies reinforce the latter view by showing that self-deception predicts positive priming effects, but not negative priming effects, in reaction time tasks sensitive to individual differences in affective priming. In all studies, individuals higher in self-deception displayed stronger positive priming effects, defined in terms of facilitation with two positive stimuli in a consecutive sequence, but self-deception did not predict negative priming effects in the same tasks. Importantly, these effects occurred both in tasks that called for the retrieval of self-knowledge (Study 1) and those that did not (Studies 2–4). This broad pattern supports substantive views of self-deception rather than views narrowly focused on self-presentation processes. Implications for understanding self-deception are discussed.     

Personality dominance and preferential use of the vertical dimension of space: evidence from spatial attention paradigms

Previous research has shown that dominant individuals frequently think in terms of dominance hierarchies, which typically invoke vertical metaphor (e.g., "upper" vs. "lower" class). Accordingly, we predicted that in spatial attention paradigms, such individuals would systematically favor the vertical dimension of space more than individuals low in dominance. This prediction was supported by two studies (total N= 96), which provided three tests involving two different spatial attention paradigms. In all cases, analyses controlling for speed of response to horizontal spatial probes revealed that more dominant individuals were faster than less dominant individuals to respond to probes along the vertical dimension of space. Such data support the metaphor-representation perspective, according to which people think in metaphoric terms, even in on-line processing tasks. These results have implications for understanding dominance and also indicate that conceptual metaphor is relevant to understanding the cognitive-processing basis of personality.     

Methamphetamine abuse and impairment of social functioning: a review of the underlying neurophysiological causes and behavioral implications

The highly addictive drug methamphetamine has been associated with impairments in social cognitions as evidenced by changes in users' behaviors. Physiological changes in brain structure and functioning, particularly in the frontal lobe, have also been identified. The authors propose a biopsychosocial approach to understanding the effects of methamphetamine addiction by relating the physiological effects of the drug to the behaviors and social cognitions of its users, through the application of the theory of mind paradigm. Although onset of methamphetamine use has been linked to the desire for socialization, chronic use has been associated with an increase in depression, aggressiveness, and social isolation, behaviors that also implicate involvement of the frontal lobe. The reviewed literature provides strong circumstantial evidence that social-cognitive functioning is significantly impacted by methamphetamine use and that the social isolation, depression, and aggressiveness associated with chronic use is due to more than just the social withdrawal associated with addiction. Treatment considerations for methamphetamine must therefore consider the role of social cognition, and pharmacological responses must address the documented impact of the drug on frontal lobe functioning.     

New Confucianism and the semantics of individuality. a Luhmannian analysis

This article discusses New Confucian views on individuality and related philosophical problems. Special emphasis is given to the position of Tu Wei‐Ming (Du Weiming), a foremost living New Confucian thinker. It is pointed out that many New Confucian philosophers share a vision of a Confucian ‘ideal’ individuality or selfhood based on social integration – as opposed to a Western type of individuality sometimes portrayed as an individuality by isolation. These patterns of individuality are further examined on the basis of Niklas Luhmann's historical analysis of the semantics of individuality and his categories of ‘individuality by inclusion’ and ‘individuality by exclusion’. Finally, some parallels and differences between Confucian and the Luhmannian viewpoints are pointed out, and a suggestion on how a Luhmannian perspective might contribute to reformulations of New Confucian thought is attempted.     

Physiological threat responses predict number processing

Psychological Research - Being able to adequately process numbers is a key competency in everyday life. Yet, self-reported negative affective responses towards numbers are known to deteriorate...