نتایج جستجو برای: genetic differences

تعداد نتایج: 1168897  

Journal: :Journal of personality 2011
Andrea Soubelet Timothy A Salthouse

ABSTRACT Increased age has been found to be associated with differences in affect and personality that have been interpreted in terms of better emotional regulation and increased maturity. However, these findings have largely been based on self-report data, and the primary goal of the current research was to investigate the hypothesis that age-related differences in affect and in certain desira...

Journal: :Psychology and aging 2009
Gregory R Samanez-Larkin Elaine R Robertson Joseph A Mikels Laura L Carstensen Ian H Gotlib

A growing body of research suggests that the ability to regulate emotion remains stable or improves across the adult life span. Socioemotional selectivity theory maintains that this pattern of findings reflects the prioritization of emotional goals. Given that goal-directed behavior requires attentional control, the present study was designed to investigate age differences in selective attentio...

Journal: :Experimental aging research 2009
Helle Pullmann Jüri Allik Anu Realo

The cross-sectional trajectory of global self-esteem across the life span was examined administering the Rosenberg and Single-Item Self-Esteem scales to Estonians (N = 29,463) who were either randomly selected from the National Census to represent the population or self-recruited through the Internet. The results (a) challenge the recent conclusion of a universal age trajectory of self-esteem, ...

Journal: :Memory 2011
Mark J Huff Michelle L Meade Keith A Hutchison

This study examined possible age-related differences in recall, guessing, and metacognition on free recall tests and forced recall tests. Participants studied categorised and unrelated word lists and were asked to recall the items under one of the following test conditions: standard free recall, free recall with a penalty for guessing, free recall with no penalty for guessing, or forced recall....

Journal: :Developmental science 2006
Eveline A Crone Silvia A Bunge Maurits W van der Molen K Richard Ridderinkhof

Task switching requires the ability to flexibly switch between task rules and responses, and is sensitive to developmental change. We tested the hypothesis that developmental changes in task switch performance are associated with changes in the facilitating or interfering effect of the previously retrieved stimulus-response (S-R) association. Three age groups (7-8-year-olds, 10-12-year-olds and...

2015
Karin Weman-Josefsson Magnus Lindwall Andreas Ivarsson

BACKGROUND Based on the Self-determination theory process model, this study aimed to explore relationships between the latent constructs of psychological need satisfaction, autonomous motivation and exercise behaviour; the mediational role of autonomous motivation in the association of psychological need satisfaction with exercise behaviour; as well as gender and age differences in the aforemen...

Journal: :Psychology and aging 2005
Alan D Castel

The present study examined how younger and older adults remember price information. Participants studied grocery items that were priced at market value or were well above or below market value. Although younger adults displayed better recall performance for unrealistic prices than older adults, there was no age difference for realistic prices, and both groups were equally accurate at rememberin...

Journal: :The British journal of developmental psychology 2014
Caitlin E V Mahy Julia Grass Sarah Wagner Matthias Kliegel

The current study examined 3- and 7-year-olds' performance on two types of episodic foresight tasks: A task that required 'cool' reasoning processes about the use of objects in future situations and a task that required 'hot' processes to inhibit a salient current physiological state in order to reason accurately about a future state. Results revealed that 7-year-olds outperformed 3-year-olds o...

2009
FENG QI

In the present paper, necessary and sufficient conditions are established for a function involving divided differences of the digamma and trigamma functions to be completely monotonic. Consequently, necessary and sufficient conditions are derived for a function involving the ratio of two gamma functions to be logarithmically completely monotonic, and some double inequalities are deduced for bou...

Journal: :Neurobiology of aging 2007
Kirk I Erickson Stanley J Colcombe Ruchika Wadhwa Louis Bherer Matthew S Peterson Paige E Scalf Jennifer S Kim Maritza Alvarado Arthur F Kramer

The extent to which cortical plasticity is retained in old age remains an understudied question, despite large social and scientific implications of such a result. Neuroimaging research reports individual differences in age-related activation, thereby educing speculation that some degree of plasticity may remain throughout life. We conducted a randomized longitudinal dual-task training study to...

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