Hand preference and intolerance of uncertainty: Atypical cerebral lateralization advantages lower intolerance of uncertainty

Kumar, Sanjay; Saini, Reena; Jain, Richa

doi:10.1080/1357650x.2019.1611843

Cited by 9 publications

(5 citation statements)

References 95 publications

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“…33 Kumar ve ark.nın yaptığı çalışmada ise sol el ve tutarsız el tercihinin bilişsel ve davranışsal özelliklerde atipik beyin belirtileri gösterdiği ve bu bireylerin gelecekteki belirsizliğe katlanamama, anksiyete ve depresyona eğilimlerinin daha fazla olduğu sonucuna ulaşmışlardır. 34 Çalışmamızın sonuçlarına baktığımızda da istatistiksel olarak anlamlı olmasa da alan yazılarıyla uyumlu olarak sağ eli dominant olan bireylerin bilişsel kontrol ve esneklik düzeylerinin daha yüksek olduğu görülmektedir. Tüm bu sonuçlara karşı Liang ve ark.nın yaptıkları çalışmalarında ise bilişsel olarak zor görev koşullarında sol eli dominant olan bireylerin sağ eli dominant bireylere göre "visuospatial" dikkat sürelerinin daha iyi olduğunu ve daha fazla seçim yapma eğiliminde olduklarını belirtmişlerdir.…”

Section: Discussionunclassified

Investigation of Cognitive Control and Flexibility and Cognitive Failure by Hand Preference: Cross-Sectional Study

ŞAHAN,

YAZICI GÜLAY

2024

Turkiye Klinikleri J Health Sci

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Algı, hafıza, karar verme ve akıl yürütme gibi zihinsel süreçler günlük rutinlerimizi gerçekleştirmek için son derece önemli olan bilişsel süreçlerdir. 1 Bireyler yaşamları boyunca değişen çevre şartlarına uyum talepleriyle karşı karşıya kalırlar. Bu durumda, bireyler sahip oldukları bilişsel kaynaklar ve başa çıkma stratejileri ile koşulları değerlendirir ve taleplere cevap verirler. 2 Bu aşamada, bilişsel kontrol ve

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Section: Discussionunclassified

Investigation of Cognitive Control and Flexibility and Cognitive Failure by Hand Preference: Cross-Sectional Study

ŞAHAN,

YAZICI GÜLAY

2024

Turkiye Klinikleri J Health Sci

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“…Inconsistent-handedness is also associated with increased cognitive flexibility. For example, relative to consistent-handers, inconsistent-handers exhibit greater openness to experience (Bryson et al, 2009), decreased need for closure (Lyle & Grillo, 2020), greater openness to obscure musical genres (Christman, 2013), greater gullibility and openness to persuasion (Christman et al, 2008), increased tendency to update beliefs (Jasper et al, 2014), increased sensation seeking (Christman, 2014), greater flexibility in making consumer price decisions (Barone et al, 2015), greater fluency in dealing with ambiguous figures (Christman et al, 2009), greater appreciation of logical paradoxes (Niebauer & Garvey, 2004), increased divergent thinking (Shobe et al, 2009), a broader spread of semantic activation (Sontam & Christman, 2012), increased semantic switching during a verbal fluency task (Sontam et al, 2009), increased ability to take other people’s perspectives into account (Rose et al, 2012; Lanning et al, in press), greater tolerance of uncertainty and ambiguity (Kumar et al, 2020), and decreased right-wing authoritarianism (Chan, 2018; Christman, 2014; Lyle & Grillo, 2014).…”

Section: Handedness the Right Hemisphere And Ambiguitymentioning

confidence: 99%

The Right Hemisphere and Ambiguity

Christman

2022

Rorschachiana

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Abstract. The Rorschach Test has evolved from an idiosyncratic projective personality test to an evidence-based performance test used widely in forensic settings. The current paper argues that Rorschach researchers should consider the role of two related neuropsychological factors in the assessment of Rorschach responding: the role of the right cerebral hemisphere in the perception of ambiguous figures and the role of individual differences (as a function of consistency of handedness) in responding to ambiguous stimuli. The right hemisphere is more fluent and flexible in the perception of ambiguous stimuli. Moreover, individuals with mixed/inconsistent hand preference have greater access to right hemisphere processing, and, accordingly, are more fluent and flexible in their perception of ambiguous stimuli. This raises the possibility of quantitative and qualitative differences in Rorschach responsivity as a function of test takers’ handedness. Implications of the presence of higher rates of schizotypy in inconsistent-handers are also discussed.

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“…In the questionnaire assessment, relevant to this study, the personal details section sought information regarding age, birth month (January to December), religion (Hindu, Muslim, others), caste, and monthly family income (in rupees; less than 10 thousand, 10-30 thousand, 30-60 thousand, 60 thousand-1 Lakh, above 1 lakh). Hand preference was assessed through a 14-item hand preference questionnaire, details and calculation procedures of which are given elsewhere (Kumar, Saini, & Jain, 2020).…”

Section: Materials and Proceduresmentioning

confidence: 99%

Effects of caste, birth season, and family income on digit ratios

Kumar

Voracek

2022

American J Hum Biol

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Objectives: The contributions of latitude and ethnicity in the determination of cross-society differences in digit ratios are unclear. In India, different castes (endogamous groups) have been living in the same areas (villages or towns) for the last 1500 years and, therefore, these groups may have different gene pools without a latitude-related difference component. Thus, in the present study, we studied the effect of caste on digit ratios. We also studied the effects of sex, birth season, and family income on digit ratios. Methods:We selected a sample of 301 college students (age: M = 19.9 years, SD = 2.63) in Muzaffarnagar city of western Uttar Pradesh, India, and asked participants for information regarding their birth month, religion, caste, and monthly family income. We measured participants' dorsal and palmar digit lengths (of all fingers, except the thumb, in both hands) using vernier calipers of 0.01 mm accuracy. Results: Other backward castes (intermediate castes) had longer digit lengths than general castes (upper castes), scheduled castes (lower castes), and Muslims. However, there was no difference in digit ratios of caste groups (scheduled castes vs. other backward castes vs. general castes vs. Muslims) or specific castes (Chamar-Jatav vs. Jat vs. Pandit-Tyagi). Winter-born women had lower left dorsal 2D:4D and 3D:4D ratios than summer-born women. Family income was related to higher dorsal 2D:4D and 3D:4D ratios among women. Moreover, in dorsal digit ratios, sex difference (men < women) occurred in digit ratios constituting digit 5, whereas, in palmar digit ratios, sex difference occurred in digit ratios constituting digit 2. Conclusions:The present study suggests that endogamy-led genetic difference in ethnic/caste groups is not a determinant, whereas birth season (i.e., the exposure to sunlight) and family income might be determinants of digit ratios.In addition, compared to palmar digit ratios, dorsal digit ratios are better markers of sexual dimorphism.

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Hand preference and intolerance of uncertainty: Atypical cerebral lateralization advantages lower intolerance of uncertainty

Cited by 9 publications

References 95 publications

Investigation of Cognitive Control and Flexibility and Cognitive Failure by Hand Preference: Cross-Sectional Study

Investigation of Cognitive Control and Flexibility and Cognitive Failure by Hand Preference: Cross-Sectional Study

The Right Hemisphere and Ambiguity

Effects of caste, birth season, and family income on digit ratios

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