The relationship of 2D:4D finger ratio to cognitive and motor performance in university students: A comparison of single- and dual-task conditions.

IF 1.5 4区心理学 Q4 CLINICAL NEUROLOGY

Applied Neuropsychology-Adult Pub Date : 2025-10-09 DOI:10.1080/23279095.2025.2570774

Yunus Emre Kundakcı, Rabia Koca, Zeynep Arıkan, Ümran Arıcan

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Abstract

The 2D:4D finger ratio is associated with individuals' cognitive and motor skills. This study examined the relationship between the 2D:4D ratio and cognitive and motor performance in university students under single task (ST) and dual task (DT) conditions. Fifty-six healthy volunteers aged 18-25 years participated in this study. The participants' right- and left-hand 2D:4D ratios were measured; cognitive performance was assessed using the Stroop and Digit Span tests, and motor performance was assessed using the NHPT and MMDT. In the DT conditions, serial 3's and 7's subtraction tasks were administered along with motor tests. According to the results, a significant negative correlation was found between the left-hand 2D:4D ratio and Stroop A and B test times (p < 0.05). In the NHPT administered together with the serial 7's subtraction task, there was a significant negative correlation between the left hand 2D:4D ratio and completion time (r = -0.305; p < 0.05); In the MMDT, a significant negative correlation was found between the right-hand 2D:4D ratio and DTC (-0.280; p < 0.05). The DTC and RCR values obtained during the NHPT and MMDT differed significantly depending on the type of cognitive task (p < 0.05). These findings suggest that 2D:4D ratio is related to attention, executive function, and manual dexterity.

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大学生2D:4D手指比例与认知和运动表现的关系：单任务和双任务条件下的比较。

2D:4D手指的比例与个人的认知和运动技能有关。本研究考察了单任务和双任务条件下二维：四维比与大学生认知和运动表现的关系。56名年龄在18-25岁的健康志愿者参加了这项研究。测量了参与者的左右2D:4D比值；使用Stroop和数字广度测试评估认知能力，使用NHPT和MMDT评估运动能力。在DT条件下，连续3和7减法任务与运动测试一起进行。结果显示，左手2D:4D比值与Stroop a、B测试次数呈显著负相关(p r = -0.305; p p p p

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来源期刊

Applied Neuropsychology-Adult CLINICAL NEUROLOGY-PSYCHOLOGY

CiteScore

4.50

自引率

11.80%

发文量

134

期刊介绍： pplied Neuropsychology-Adult publishes clinical neuropsychological articles concerning assessment, brain functioning and neuroimaging, neuropsychological treatment, and rehabilitation in adults. Full-length articles and brief communications are included. Case studies of adult patients carefully assessing the nature, course, or treatment of clinical neuropsychological dysfunctions in the context of scientific literature, are suitable. Review manuscripts addressing critical issues are encouraged. Preference is given to papers of clinical relevance to others in the field. All submitted manuscripts are subject to initial appraisal by the Editor-in-Chief, and, if found suitable for further considerations are peer reviewed by independent, anonymous expert referees. All peer review is single-blind and submission is online via ScholarOne Manuscripts.