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Articles 1 - 5 of 5
Full-Text Articles in Entire DC Network
A Combined Fmri And Dti Examination Of Functional Language Lateralization And Arcuate Fasciculus Structure: Effects Of Degree Versus Direction Of Hand Preference Author Links Open Overlay Panel, Ruth E. Propper, Lauren J. O'Donnell, Stephen Whalen, Yanmei Tie, Isaiah Norton, Ralph O. Suarez, Lilla Zollei, Alireza Radmanesh, Alexandra Golby
A Combined Fmri And Dti Examination Of Functional Language Lateralization And Arcuate Fasciculus Structure: Effects Of Degree Versus Direction Of Hand Preference Author Links Open Overlay Panel, Ruth E. Propper, Lauren J. O'Donnell, Stephen Whalen, Yanmei Tie, Isaiah Norton, Ralph O. Suarez, Lilla Zollei, Alireza Radmanesh, Alexandra Golby
Department of Psychology Faculty Scholarship and Creative Works
The present study examined the relationship between hand preference degree and direction, functional language lateralization in Broca’s and Wernicke’s areas, and structural measures of the arcuate fasciculus. Results revealed an effect of degree of hand preference on arcuate fasciculus structure, such that consistently-handed individuals, regardless of the direction of hand preference, demonstrated the most asymmetric arcuate fasciculus, with larger left versus right arcuate, as measured by DTI. Functional language lateralization in Wernicke’s area, measured via fMRI, was related to arcuate fasciculus volume in consistent-left-handers only, and only in people who were not right hemisphere lateralized for language; given the …
Locus Of Control And The Age Difference In Free Recall From Episodic Memory, Paul Amrhein, Judith K. Bond, Derek Hamilton
Locus Of Control And The Age Difference In Free Recall From Episodic Memory, Paul Amrhein, Judith K. Bond, Derek Hamilton
Department of Psychology Faculty Scholarship and Creative Works
The authors investigated the relation of locus of control (LOC) to age differences in free-recall memory performance. Older and younger participants completed P. C. Duttweiler's (1984) Internal Control Index (ICI) and subsequently performed free-recall memory tasks. Compared with the younger participants, the older participants exhibited poorer recall with more intrusions and uncorrected repetition errors as well as reduced categorical clustering. For the older participants with less internal LOC, recall proportion and item-pair associative recall clustering were lower than for the older participants with more internal LOC. By contrast, the younger participants did not exhibit any LOC effects in their recall …
Impaired Geometric Reorientation Caused By Genetic Defect, Laura Lakusta, Banchiamlack Dessalegn, Barbara Landau
Impaired Geometric Reorientation Caused By Genetic Defect, Laura Lakusta, Banchiamlack Dessalegn, Barbara Landau
Department of Psychology Faculty Scholarship and Creative Works
The capacity to reorient in one's environment is a fundamental part of the spatial cognitive systems of both humans and nonhuman species. Abundant literature has shown that human adults and toddlers, rats, chicks, and fish accomplish reorientation through the construction and use of geometric representations of surrounding layouts, including the lengths of surfaces and their intersection. Does the development of this reorientation system rely on specific genes and their action in brain development? We tested reorientation in individuals who have Williams syndrome (WS), a genetic disorder that results in abnormalities of hippocampal and parietal areas of the brain known to …
Markers Of Marijuana Use Outcomes Within Adolescent Substance Abuse Group Treatment, Paul Amrhein, Brett Engle, Mark Macgowan, Eric Wagner
Markers Of Marijuana Use Outcomes Within Adolescent Substance Abuse Group Treatment, Paul Amrhein, Brett Engle, Mark Macgowan, Eric Wagner
Department of Psychology Faculty Scholarship and Creative Works
Objectives: Despite their popularity, little is known about what distinguishes effective from ineffective or even iatrogenic adolescent group interventions. Methods: Audio recordings and transcripts from 19, 8—10 session, school-based treatment groups comprised of 108, substance abusing 10- to 19-year olds were analyzed. Group leader empathy was measured globally, while two new constructs, group commitment, and peer response, were measured using discourse analysis. All variables were measured at the group level. Results: Associations among these process variables were tested and supported, as were the hypothesized associations between both group member language constructs and marijuana use outcomes. Conclusions: These findings were consistent …
The Role Of Religiosity In Stress, Job Attitudes, And Organizational Citizenship Behavior, Eugene J. Kutcher, Jennifer Bragger, Ofelia Rodriguez, Jamie L. Masco
The Role Of Religiosity In Stress, Job Attitudes, And Organizational Citizenship Behavior, Eugene J. Kutcher, Jennifer Bragger, Ofelia Rodriguez, Jamie L. Masco
Department of Psychology Faculty Scholarship and Creative Works
Religion and faith are often central aspects of an individual's self-concept, and yet they are typically avoided in the workplace. The current study seeks to replicate the findings about the role of religious beliefs and practices in shaping an employee's reactions to stress/burnout and job attitudes. Second, we extend the literature on faith in the workplace by investigating possible relationships between religious beliefs and practices and citizenship behaviors at work. Third, we attempted to study how one's perceived freedom to express his/her religious identity at work was related to workplace attitudes and behaviors. Mixed results suggest that religiosity can be …