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941.
942.
Sarah Seligman Rycroft Ross Divers Jacob Hulswit 《Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition》2018,25(2):259-276
Everyday function is compromised by mild cognitive changes in aging. These changes predict risk for future decline and dementia but remain poorly characterized, largely due to a scarcity of sensitive, objective measures.Twenty-seven younger adults and 25 non-demented older adults completed the Naturalistic Action Test (NAT), a performance-based measure of everyday action involving simple and complex tasks. Performance was coded for overt errors and subtle inefficiencies. Participants also completed self-report functional measures and cognitive tests. Mixed ANOVAs revealed that older adults made more subtle NAT errors with high task demands; groups did not differ in overt errors. Correlations did not reveal significant relations between self-report and NAT errors, but NAT performance was correlated with learning and recall.The NAT provides a promising tool for detecting subtle age-related changes and examining decline across levels of impairment. Self-report may lack sensitivity to subtle changes, and episodic memory changes underlie early functional disruption. 相似文献
943.
Sara Incera 《Neuropsychology, development, and cognition. Section B, Aging, neuropsychology and cognition》2018,25(3):443-463
We analyzed the effects of bilingualism and age on executive function. We examined these variables along a continuum, as opposed to dichotomizing them. We investigated the impact that bilingualism and age have on two measures of executive control (Stroop and Flanker). The mouse-tracking paradigm allowed us to examine the continuous dynamics of the responses as participants completed each trial. First, we found that the Stroop effect was reduced with younger age and higher levels of bilingualism; however, no Bilingualism by Age interaction emerged. Second, after controlling for baseline, the Flanker effect was not influenced by bilingualism or age. These results support the notion that bilingualism is one way of enhancing some aspects of executive function – specifically those related to the Stroop task – across the adult life span. In sum, different levels of bilingualism, and different ages, result in varying degrees of executive function as measured by the Stroop task. 相似文献
944.
This study examines the qualitative and quantitative effects of a short-term, psychodynamically oriented video-feedback intervention in an Italian sample (n = 30) of non-clinical mothers with high potential dyadic risk due to work–family conflict. We adopted a psychodynamically informed and video-assisted approach based on theoretical and clinical assumptions that are used in psychodynamically oriented dialogue and observations. We proposed a cycle of four clinically oriented consultations including a single video feedback session, using the CARE-Index for both assessment and intervention. Independent t-tests were computed to evaluate how effective the programme was in reducing parental stress. We present two case examples in order to discuss the process of change in maternal attitudes activated by the programme. Quantitative findings revealed a drastic reduction of the participants’ resistance in recognising conflictual aspects of their parenting experience. From a qualitative perspective, the video feedback programme solicited three psychic functions: mirroring, resignifying and repairing. We highlight the key role of the observer’s countertransference and of her relationship with the mother in creating a safe and transformative setting. Results are encouraging in using our programme to help mothers to improve their holding function. We discuss possibilities for reinforcing the relevant changes obtained by extending the programme. 相似文献
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947.
Tamra J. Bireta Andrew J. Gabel Rebecca M. Lamkin Aimée M. Surprenant 《Journal of Cognitive Psychology》2018,30(2):222-229
Serial position functions, with their characteristic primacy and recency effects, are ubiquitous in episodic memory tasks, and have also been observed in tasks tapping semantic memory. However, only one experiment, [Raanaas, R. K., & Magnussen, S. (2006a). Serial position effects in implicit memory. European Journal of Cognitive Psychology, 18, 398–414. doi:10.1080/09541440500162065], has demonstrated primacy and recency effects in implicit memory using an indirect memory test. In Experiment 1, we replicate this finding and in Experiment 2, we confirm a prediction that holds only if the serial position function observed in Experiment 1 was a “real” serial position function. These results confirm the presence of serial position functions in implicit memory and also support a general prediction of the relative distinctiveness principle that serial position functions should obtain whenever a set of items are ordered along a relevant dimension. 相似文献
948.
William F. Perez Sunna P. de Azevedo Cainã T. Gomes Christian Vichi 《Journal of the experimental analysis of behavior》2021,115(1):405-420
Contextual control is a key aspect in equivalence research to support the claim that stimuli may have multiple functions or symbols may have multiple meanings. The present study investigated the contextual control of multiple derived stimulus functions in two experiments. In Experiment 1, equivalence classes were formed and one stimulus set from each class was used to establish two different functions: one via positive reinforcement (key-pressing) and another via negative reinforcement (button clicking), both under contextual control of two different background colors. Later, other stimuli from the equivalence class were presented on those background colors and contextual control of multiple derived stimulus functions was assessed. Experiment 2 added a third background in which no programmed response was reinforced, that is, responses were extinguished. Transfer-of-function tests revealed contextual control of three different functions, including derived extinction. Implications for equivalence relations as a behavior-analytical model of symbolic functioning are discussed. 相似文献
949.
Temperament is related to cognition, but it is unclear whether reciprocal associations exist with early developmental trajectories. Children from the Longitudinal Study of Australian Children (N = 8,677) were assessed over four waves on verbal ability at ages 8/9, nonverbal ability at ages 8/9 and 10/11, and parent-rated temperament every two years from ages 8/9 to 14/15. Latent difference score analyses indicated correlated changes between ages 8/9 and 10/11. Increased nonverbal ability over the first two years was associated with declined reactivity and increased persistence. Latent growth curve models further indicated that nonverbal and verbal ability at baseline were associated with declined reactivity and increased persistence over the six years. These findings suggest bidirectional associations between childhood cognitive ability and temperament development. 相似文献
950.
Both the movements of people and inanimate objects are intimately bound up with physical causality. Furthermore, in contrast to object movements, causal relationships between limb movements controlled by humans and their body displacements uniquely reflect agency and goal-directed actions in support of social causality. To investigate the development of sensitivity to causal movements, we examined the looking behavior of infants between 9 and 18 months of age when viewing movements of humans and objects. We also investigated whether individual differences in gender and gross motor functions may impact the development of the visual preferences for causal movements. In Experiment 1, infants were presented with walking stimuli showing either normal body translation or a “moonwalk” that reversed the horizontal motion of body translations. In Experiment 2, infants were presented with unperformable actions beyond infants’ gross motor functions (i.e., long jump) either with or without ecologically valid body displacement. In Experiment 3, infants were presented with rolling movements of inanimate objects that either complied with or violated physical causality. We found that female infants showed longer looking times to normal walking stimuli than to moonwalk stimuli, but did not differ in their looking time to movements of inanimate objects and unperformable actions. In contrast, male infants did not show sensitivity to causal movement for either category. Additionally, female infants looked longer at social stimuli of human actions than male infants. Under the tested circumstances, our findings indicate that female infants have developed a sensitivity to causal consistency between limb movements and body translations of biological motion, only for actions with previous visual and motor exposures, and demonstrate a preference toward social information. 相似文献