Hand preference for writing and associations with selected demographic and behavioral variables in 255,100 subjects: The BBC internet study

Peters, Michael; Reimers, Stian; Manning, John T.

doi:10.1016/j.bandc.2006.04.005

Cited by 259 publications

(168 citation statements)

References 46 publications

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“…However, our results do not support other studies (Peters, Reimers, & Manning, 2006), which found that individuals who indicated "either" hand for writing preference had a significantly higher prevalence of dyslexia than individuals who had clear left or right hand preferences. A possible reason for this discrepancy is the way handedness was assessed.…”

Section: Discussioncontrasting

confidence: 99%

Dyslexia and hand preference in secondary school students.

Vlachos

Andreou

Delliou

et al. 2013

Psychology & Neuroscience

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Research results with regard to handedness and dyslexia have been ambiguous. The present study investigated the relationship between handedness and dyslexia in secondary school students based on genetic (Right-Shift) and hormonaldevelopmental theories of handedness. A total of 135 students (45 dyslexics and 70 age-and sex-matched controls) participated in the study. Handedness was defined according to the Edinburgh Handedness Inventory. We developed several classifications that represented various levels of handedness. Both continuous and dichotomous classifications of handedness revealed a small but reliable increase in the proportion of non-right-handers among dyslexics, likely because of the increased proportion of dyslexics among pure left-handers. Dyslexics did not display precisely the same pattern of right and left responses as controls, with some differences at the extremes of the continuum. The present results provide empirical support for Annett's (1985) Right-Shift theory predictions. Additionally, the present study indicates that using a numerical scoring system or dichotomous classifications with restricted criteria that permit the measurement of several degrees of handedness appears to better determine hand preference than using broad classifications into handedness groups.

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Section: Discussioncontrasting

confidence: 99%

Dyslexia and hand preference in secondary school students.

Vlachos

Andreou

Delliou

et al. 2013

Psychology & Neuroscience

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“…In fact, the results we obtained showed a slightly higher prevalence of left-handedness than in some major studies. However, the majority of studies have reported that left-handedness occurs approximately 24% of the time (Peters, 2006;Gilbert and Wysocki 1992), which is broadly in line with our results.…”

Section: Discussionsupporting

confidence: 92%

Human Lateralization among Monozygotic and Dizygotic Twins in Koya Town

karim

Mustafa²,

Ahmad.³

2015

JBLS

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At present, we do not understand how human handedness arose. Although much attention has been paid to several genetic theories, some studies involving twins have indicated that the influence of genetic and environmental factors on handedness may be minimal or nonexistent.The incidence of left-handedness amongst males is higher than with females, according to a large body of research. People who are ambidextrous are more likely to start to write with their right hand, even when they are not forced to do this. The left hemisphere of the brain is also lateralized when compared to the right hemisphere and vice versa. Town/ Erbil governorate. In 2014, we mailed a questionnaire to 100 twins aged between 18 and 50 to survey their handedness. The survey determined whether each subject was a monozygotic or dizygotic twin, and then questioned them about their handedness. We examined whether both twins had the same handedness or different handedness, and whether individual twins have a higher prevalence of left-handedness or right-handedness. Our research examined handedness in dizygotic and identical monozygotic twins in KoyaThe results revealed that in 62% of cases, both monozygotic twins in a pair are right-handed. On the other hand, both dizygotic twins are right-handed only 54% of the time. Furthermore, dizygotic twins are more likely to have one left-handed and one right-handed twin when compared to monozygotic twins. We also found that the prevalence of right handedness in individual monozygotic twins regardless of the handedness of the other twin was 77%, whereas the prevalence of left-handedness was only 21%. The remaining 2% of monozygotic subjects were ambidextrous.These results indicate that unique genetic and environmental factors may account for the majority of variance in that is observed in handedness, although the relationship between the brain, handedness, environmental effects and genetic effects is a complex one. This is a view that is corroborated by a number of recent neuroscientific and genetic studies that are examined in this article.

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“…The percentage of right hand dominant case and control participants (88%) in our study approximates the percentage of handedness in the general population, i.e. 80% right handed and 15% left handed [23,[26][27][28].…”

Section: Discussionsupporting

confidence: 54%

Association between Lateral Epicondylalgia and Upper Extremity Anthropometric Measurements: A Case Control Study

Dones

Grimmer²,

Milanese³

et al. 2014

Int J Phys Med Rehabil

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Objectives: Directional asymmetry is a measure of departure from bilateral symmetry. In the upper extremities, directional asymmetry can be determined by comparing the anthropometric measurements of arm length, elbow circumference and elbow breadth of individuals with and without Lateral epicondylalgia. This study aimed to detect the presence of significant directional asymmetry in the upper extremities of individuals with Lateral epicondylalgia. Methods:Potential case and control participants were recruited from January 2011 to September 2011 in Manila, Philippines. To qualify as a case with Lateral epicondylalgia in the study, participants must have lateral elbow pain on at least one elbow, which was replicated by at least one of the provocation tests (Cozen, Mill or Maudsley test). A single case was ideally matched with two control participants based on gender, age, and occupation. Bilateral arm length, elbow circumference (at the level of the elbow joint, at 5cm above and 5cm below the elbow joint) were measured by the senior physiotherapist. The odds ratio using the using a General Linear Model Univariate Analysis approach was applied to examine the relationship between the differences in the upper extremity anthropometric measurements, diagnosis of LE (case or control) and hand dominance (right or left).Results: 52 individuals with 48 unilateral elbow pain and 4 bilateral elbow pain were eligible for the study. The cases were matched with 99 control participants with 198 non-symptomatic elbows. Hand dominance was found to be significantly associated with elbow circumferential measurements taken at the level of the lateral epicondyle, 5cm above the lateral epicondyle and 5cm below the lateral epicondyle (p<0.05). Presence or absence of Lateral epicondylalgia (case or control) was not significantly associated with any of the upper extremity anthropometric measurements (p>0.05) Conclusion: Arm length, elbow circumference, and elbow breadth were not associated with Lateral epicondylalgia in our sample.

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Hand preference for writing and associations with selected demographic and behavioral variables in 255,100 subjects: The BBC internet study

Cited by 259 publications

References 46 publications

Dyslexia and hand preference in secondary school students.

Dyslexia and hand preference in secondary school students.

Human Lateralization among Monozygotic and Dizygotic Twins in Koya Town

Association between Lateral Epicondylalgia and Upper Extremity Anthropometric Measurements: A Case Control Study

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