Categorization and affect: evidence for intra-hemispheric interactions

Both emotional reactivity and categorization have long been studied within the framework of hemispheric asymmetry. However, little attempt has been made to integrate both research areas using any form of neuropsychological research, despite behavioral data suggesting a consistent relationship between affective and categorization processes. The primary goal of the current study was to examine the possibility of a laterally mediated interaction between emotional reactivity and the cognitive process of categorization. Using a split visual fields categorization task combined with affect inducing procedures, we hypothesized that the relationship between state affect and categorization would be dependent on the nature of state affect and on the hemisphere targeted. Results offered support for this hypothesis, showing that state affect related changes in categorization appeared only in the hemisphere commonly associated with both a specific affective state and categorization strategy employed. Findings are discussed in terms of possible evidence for a hemispheric arousal effect underlying the relationship between affect and categorization.     

Psychological empowerment, job satisfaction and performance among Filipino service workers

The present study surveyed 954 employees and their supervisors to determine the relationship of empowerment with job satisfaction and performance in five different service sectors: hotels, food service, banking, call centers, and airlines. Psychological empowerment was positively correlated with both job satisfaction and performance. Although intrinsic motivation was associated with higher levels of empowerment and job satisfaction, contrary to hypothesis, intrinsic motivation did not moderate the relationship between empowerment and job satisfaction and performance. Men reported greater empowerment than women even when job level and performance were controlled for. Cross-industry analyses indicated differences in empowerment across different types of service sectors with employees in call centers reporting less empowerment compared to employees in hotel, airlines, food establishments, and banks.     

The Cerebellum in Frontotemporal Dementia: a Meta-Analysis of Neuroimaging Studies

Neuropsychology Review - Frontotemporal dementia (FTD) is a neurodegenerative brain disorder primarily affecting the frontal and/or temporal lobes. Three main subtypes have been recognized:...     

The Poset of All Logics III: Finitely Presentable Logics

Studia Logica - A logic in a finite language is said to be finitely presentable if it is axiomatized by finitely many finite rules. It is proved that binary non-indexed products of logics that are...     

Psychological essentialism and the differential attribution of uniquely human emotions to ingroups and outgroups

According to the psychological essentialism perspective, people tend to explain differences between groups by attributing them different essences. Given a pervasive ethnocentrism, this tendency implies that the human essence will be restricted to the ingroup whereas outgroups will receive a lesser degree of humanity. Therefore, it is argued that people attribute more uniquely human characteristics to the ingroup than to the outgroup. The present article focuses on secondary emotions that constitute such characteristics. Study 1 showed that members of high‐ and low‐status groups attribute more positive secondary emotions to the ingroup than to the outgroup. Study 2 verified that the differential attribution extended also to negative secondary emotions. No exemplars of emotions were provided in Study 3. Instead, participants had to estimate the means of two distributions of numbers that supposedly represented characteristics of the ingroup and of the outgroup. The results of this third experiment illustrated the reluctance to attribute secondary emotions to the outgroup. The findings are discussed from the perspective of psychological essentialism. Copyright © 2001 John Wiley & Sons, Ltd.     

Bilateral opercular syndrome and crossed aphemia due to a right insular lesion: A clinicopathological study

A right-handed male patient suddenly noted lower bilateral facial and lingual palsy, and inability to masticate and swallow, but with preserved automatic functions. He was mute, communicating only through writing, but verbal comprehension was normal (aphemia). On anatomopathological examination, an ischemic infarction of the entire right insula, with mild extension to the fronto-temporoparietal operculum was observed. The left hemisphere was normal. The clinical findings suggest a bilateral opercular syndrome due to a right hemisphere lesion and a crossed aphemia.     

Signal detection and localization by real observers

A model for detection and localization (DAL) was applied to the processing of a noise-masked tonal signal by human Ss. The model was supported in that consistent values of d’ were obtained from rating. forced-choice (FC). and DAL procedures. Also. the rating d’ accurately predicted per cent correct on the FC and DAL trials. A shortcoming of the theory was its failure to account satisfactorily for the details of FC and DAL stimulus-response matrices.