This study was an investigation of the relationship between potential creativityas measured by fluency scores on the Alternate Uses Testand performance on Wasons 246 task. As hypothesized, participants who were successful in discovering the rule had significantly higher fluency scores. Successful participants also generated higher frequencies of confirmatory and disconfirmatory hypotheses, but a multiple regression analysis using the stepwise method revealed that the frequency of generating disconfirmatory hypotheses and fluency scores were the only two significant factors in task outcome. The results also supported earlier studies where disconfirmation was shown to play a more important role in the later stages of hypothesis testing. This was especially true of successful participants, who employed a higher frequency of disconfirmatory hypotheses after receiving feedback on the first announcement. These results imply that successful participants benefited from the provision of feedback on the first announcement by switching to a more successful strategy in the hypothesis-testing sequence.
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http://dx.doi.org/10.1080/02724980244000567 | DOI Listing |
Exp Brain Res
January 2025
Department of Neurology and Suzhou Clinical Research Center of Neurological Disease, The Second Affiliated Hospital of Soochow University, No. 1055, Sanxiang Road, Suzhou, 215004, Jiangsu Province, People's Republic of China.
This study investigated the relationship between eye movement parameters and cognitive function in patients with mild to moderate Alzheimer's disease (AD). A total of 80 patients with AD (mild and moderate) and 34 normal controls (NC) participated. Neuropsychological assessments were conducted using the Mini-Mental State Examination (MMSE) and the Montreal Cognitive Assessment (MoCA), while eye movements were recorded using eye-tracking technology.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
University of Michigan School of Public Health, Ann Arbor, MI, USA.
Background: The ε4 allele of the apolipoprotein E (APOE) gene is the strongest genetic determinant for Alzheimer's disease and cognitive function in nearly all human populations, yet inconsistent effects have been reported in South Asians. The population of India has admixed genetic ancestry with most people falling on a North/South cline and having varying proportions of Ancestral North Indian (ANI) and Ancestral South Indian (ASI) ancestries, and those in east of India fall off the cline due to ancestry from additional ancestral populations. This study examined the ε4 association with cognitive function across 18 states/union territories of India and investigated whether ancestral background modulates ε4 association with cognitive function in 2,590 participants from the Longitudinal Aging Study in India - Diagnostic Assessment of Dementia (LASI-DAD).
View Article and Find Full Text PDFAlzheimers Dement
December 2024
Channing Division of Network Medicine, Brigham and Women's Hospital and Harvard Medical School, Boston, MA, USA.
Background: Endogenous estrogen history across the life course may be associated with better cognitive maintenance. Few large longitudinal studies have evaluated this prospectively, and results have been inconsistent. We assessed the association of reproductive span, an indicator of endogenous estrogen history, with cognitive change in older women.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
University of Toronto, Toronto, ON, Canada.
Background: Globally, females are at twice the risk of AD than males; in Canada, over 700,000 are living with Alzheimer's disease and related dementia (ADRDs), with 72% being female. However, females maintain verbal memory in the face of more AD pathology than men. It is unclear how multilingualism, considered a resilience factor, might interact with the risk and resilience of sex.
View Article and Find Full Text PDFAlzheimers Dement
December 2024
Cardinal Tien Hospital, New Taipei City, Taiwan.
Background: Gait performance has been found to be an effective method for screening cognitive impairment in elderly. Nevertheless, the efficacy of utilizing gait speed as a marker for monitoring cognitive changes remains incompletely substantiated.
Method: From 2021 to 2023, we recruited 104 participants from the memory clinic of Cardinal Tien Hospital in Taipei, Taiwan.
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