Search results for "Processes"
showing 10 items of 3831 documents
Cerebellar patients demonstrate preserved implicit knowledge of association strengths in musical sequences
2006
Recent findings suggest the involvement of the cerebellum in perceptual and cognitive tasks. Our study investigated whether cerebellar patients show musical priming based on implicit knowledge of tonal-harmonic music. Participants performed speeded phoneme identification on sung target chords, which were either related or less-related to prime contexts in terms of the tonal-harmonic system. As groups, both cerebellar patients and age-matched controls showed facilitated processing for related targets, as previously observed for healthy young adults. The outcome suggests that an intact cerebellum is not mandatory for accessing implicit knowledge stored in long-term memory and for its influenc…
Mismatch negativity (MMN) as a tool for investigating auditory discrimination and sensory memory in infants and children
2000
For decades behavioral methods, such as the head-turning or sucking paradigms, have been the primary methods to investigate auditory discrimination, learning and the function of sensory memory in infancy and early childhood. During recent years, however, a new method for investigating these issues in children has emerged. This method makes use of the mismatch negativity (MMN), the brain's automatic change-detection response, which has been used intensively in both basic and clinical studies in adults for twenty years. This review demonstrates that, unlike many other components of event-related potentials, the MMN is developmentally quite stable and can be obtained even from pre-term infants…
Active immunization of homosexual men using a recombinant hepatitis B vaccine
1989
Twenty homosexual men [13 anti-human immunodeficiency virus (HIV)-positive, seven anti-HIV negative] without HBsAg, anti-HBs, and anti-HBc were vaccinated with three 20 micrograms doses of a recombinant hepatitis B vaccine. All anti-HIV-positive homosexuals were nonresponders independent of the initial number of CD4-positive cells. Among seven anti-HIV-negative individuals, five responded. After three doses of the vaccine, CD4-positive cells fell in anti-HIV positive individuals by 22.4%. A similar fall in CD4-positive cells of an average 24.9% was noted in 17 matching, but nonvaccinated, anti-HIV-positive homosexuals. The study indicates that the efficacy of vaccination in anti-HIV-positiv…
The Resilient Emotional Brain: A Scoping Review of the Medial Prefrontal Cortex and Limbic Structure and Function in Resilient Adults With a History …
2020
Childhood Maltreatment (CM) is one of the strongest predictors of adult mental illness, though not all adults with CM develop psychopathology. Here, we describe the structure and function of emotional brain regions that may contribute to resilient functioning after CM. We review studies that report medial prefrontal cortex (mPFC), amygdala and hippocampus (‘limbic regions’) structure, function, and/or connections, in resilient (i.e., adults reporting CM without psychopathology) vs. vulnerable (i.e., adults reporting CM with psychopathology), or healthy adults (adults without CM with no psychopatology). We find that resilient adults have larger hippocampal grey and white matter volume, and i…
Attachment anxiety and avoidance and perceptions of group climate: an actor-partner interdependence analysis.
2012
There is a lack of research examining group members’ attachment styles and group climate perceptions in the context of the attachment styles and group climate perceptions of the other group members. In the current study, the actor–partner interdependence model (APIM) was used to examine the relationships among (a) a group member’s attachment pattern, (b) the aggregated attachment patterns of the other group members, (c) a group member’s perceptions of the group’s climate, and (d) the aggregated group climate perceptions of the other group members. One hundred ten Italian graduate students in six 10-session interpersonal growth groups were studied. Group members filled out the Attachment Sty…
Burnout syndrome and type A behavior in nurses and teachers in Sicily.
1997
Burnout and Type A behavior were studied in two groups of 50 teachers (26 working in high school and 24 in junior high school) and 50 nurses living and working in Sicily. Each group was composed of 19 men and 31 women. A revised version of the Maslach Burnout Inventory and the Adult and Adolescent Type A Behavior Scale-Revised Form 1 were used to measure burnout and Type A behavior, and a scale of job satisfaction was given. Analysis shows higher scores on stress for nurses, related to the low social acknowledgment of their job. Among nurses, Type A scores were correlated positively with scores on burnout and negatively with ratings of job satisfaction. The teachers showed greater compatib…
Seeing odors in color: Cross-modal associations in children and adults from two cultural environments
2018
International audience; We investigated the occurrence and underlying processes of odor–color associations in French and American 6- to 10-year-old children (n = 386) and adults (n = 137). Nine odorants were chosen according to their familiarity to either cultural group. Participants matched each odor with a color, gave hedonic and familiarity judgments, and identified each odor. By 6 years of age, children displayed culture-specific odor–color associations, but age differences were noted in the type of associations. Children and adults in both cultural groups shared common associations and formed associations that were unique to their environment, underscoring the importance of exposure le…
Leader-member exchange (LMX) and innovation climate: the role of LMX differentiation.
2013
AbstractLeader-member Exchange (LMX) theory has been shown to be one of the most compelling theories for understanding the effects of leadership on organizational behavior. This theory proposes that leaders establish differentiated relationships with each of their subordinates according to the exchanges produced between them. Recently, the concept of LMX differentiation has been introduced into the theory to extend research from the dyadic to the group level. The present paper uses a longitudinal design to analyze the moderator role of LMX differentiation in the relationship between mean LMX and innovation climate in a sample of 24 healthcare teams. The results showed no direct effects of m…
Between a Rock and Hard Place: Combined Effects of Authentic Leadership, Organizational Identification, and Team Prototypicality on Managerial Prohib…
2019
AbstractManagers are installed by the organization’s stakeholders and shareholders to increase the organization’s value; at the same time, they depend on their subordinates’ acceptance to fulfill this leadership role. If the interest of the organization collides with the interest of their team, some managers act in the interest of their followers accepting potential disadvantages for their organizations and/or external stakeholders. In two experimental studies comprised mainly of German (N = 111) and US (N = 323) managers, we examined combined effects of authentic leadership, organizational identification, and self-perceived team prototypicality on managerial integrity operationalized as ex…
Trabecular trajectory in the articular processes of the human fourth cervical vertebra
2001
The articular processes (AP) of the neural arch have been implicated in weight transmission through the cervical spine. To analyse the mechanism of weight transmission in the AP, we studied the direction of forces within it, in particular, the pattern of trabecular trajectories. Twenty-two AP from C4 vertebrae were studied in anatomical sections, and corresponding photoelastic models from selected sections were constructed and analysed. Anatomical and photoelastic findings show the subarticular spongiosa of the superior articular process (SAP) to be orthogonally arranged with vertical and oblique trabeculae in the direction of compressive forces and additional trabeculae always oriented per…