Categories of manual asymmetry and their variation with advancing age

Teixeira, Luís Augusto

doi:10.1016/j.cortex.2006.10.002

Cited by 74 publications

(51 citation statements)

References 51 publications

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“…Consistent with many reports (Hervé et al, 2005;Hubel et al, 2013aHubel et al, , 2013bPeters, 1980;Schmidt et al, 2000;Teixeira, 2008;Todor & Smiley-Oyen, 1987), we corroborated considerable differences between the dominant and the non-dominant hands regarding both groups. Tapping performance has been employed as an indicator of hand dominance (Ashendorf et al, 2009;Hervé et al, 2005;Hubel et al, 2013aHubel et al, , 2013bPeters, 1980;Ruff & Parker, 1993;Schmidt et al, 2000;Teixeira, 2008;Todor & Smiley-Oyen, 1987), with the dominant index finger typically producing approximately 10% more taps (Ashendorf et al, 2009;Hubel et al, 2013b).…”

Section: Discussionsupporting

confidence: 81%

“…Tapping performance has been employed as an indicator of hand dominance (Ashendorf et al, 2009;Hervé et al, 2005;Hubel et al, 2013aHubel et al, , 2013bPeters, 1980;Ruff & Parker, 1993;Schmidt et al, 2000;Teixeira, 2008;Todor & Smiley-Oyen, 1987), with the dominant index finger typically producing approximately 10% more taps (Ashendorf et al, 2009;Hubel et al, 2013b). In the FTT, the preferred hand tends to perform more quickly, and regularly (Peters, 1980), and precisely (Todor & Smiley-Oyen, 1987).…”

Section: Discussionmentioning

confidence: 99%

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Computerized Finger Tapping Task in Adult Unipolar Depressed Patients and Healthy Subjects: Influence of Age, Gender, Education, and Hand Dominance

Moniz

Jesus²,

Pacheco³

et al. 2016

RES

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Introduction: Current diagnostic criteria for depression include psychomotor retardation, being the Finger Tapping Test (FTT) as one of the most utilized instruments to assess fine psychomotor performance. Results: We found significant differences between depressed patients and healthy controls. Significant effects of age and gender were found.Conclusion: Results allowed us to identify differences in performance between the two groups, therefore this version of the FTT revealed adequate reliability values, one instrument accessible to all clinicians.

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Section: Discussionsupporting

confidence: 81%

Section: Discussionmentioning

confidence: 99%

Computerized Finger Tapping Task in Adult Unipolar Depressed Patients and Healthy Subjects: Influence of Age, Gender, Education, and Hand Dominance

Moniz

Jesus²,

Pacheco³

et al. 2016

RES

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“…In contrast, for the older adults there were no differences in accuracy or movement times for either hand. This shows that when an older adult is given an equivalent task to perform with their left and right hands the asymmetries observed previously (Teixeira 2008) disappear.…”

Section: Discussionmentioning

confidence: 78%

“…This task yields a large degree of lateralisation in younger groups and captures many critical aspects of skilled motor control (Culmer, Levesley, Mon-Williams and Williams 2009). Interestingly, large manual asymmetries have been observed in both young and older adults when drawing circles within a series of square boxes (Teixeira 2008). This task, however, required participants to complete the boxes from right to left with the left hand, and vice-versa with the right hand.…”

Section: Introductionmentioning

confidence: 99%

Reduced motor asymmetry in older adults when manually tracing paths

et al. 2011

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Handedness, a preference towards using the right or left hand, is established in early childhood. Such specialisation allows a higher level of skill to be maintained in the preferred hand on specific tasks through continuous practice and performance. Hand asymmetries might be expected to increase with age because of the time spent practising with the preferred hand. However, neurophysiological work has suggested reduced hemispheric function lateralisation in the aging brain, and behavioural studies have found reduced motor asymmetries in older adults (Przybla, Haaland, Bagesterio and Sainburg 2011). We therefore tested the predictions of behavioural change from reduced hemispheric function by measuring tracing performance (arguably one of the most lateralised of human behaviours) along paths of different thickness in a group of healthy young and older adults. Participants completed the task once with their preferred (right) hand and once with their non-preferred (left) hand. Movement Time (MT) and Shape Accuracy (SA) were dependant variables. A composite measure of MT and SA, the Speed Accuracy Cost Function (SACF) provided an overall measure of motor performance. Older participants were slower and less accurate when task demands were high. Combined analyses of both hands revealed reduced asymmetries in MT and SACF in the older group. The young were significantly faster when tracing with their preferred hand but older participants were equally slow with either hand. Our results are consistent with the growing literature reporting decreased hemispheric function lateralisation in the aging brain.

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“…Como tanto durante a infância, quanto durante a vida adulta -da juventude à velhice -tem sido identificado que a incidên-cia de indivíduos com preferência manual direita tende a aumentar (cf. Ashton, 1982;Hinojosa, Sheu, & Michel, 2003), supõe-se que com o avanço da idade os indiví-duos se tornem mais lateralizados (Singh et al, 2001;Teixeira, 2008). Assim, se a expectativa de distribuição populacional de aproximadamente 90% de indivíduos destros (Brackenridge, 1981;Porac et al, 1980) for confirmada, aproximadamente 80% dos bebês com preferência manual esquerda ou indefinida deverão mudar sua preferência manual para o lado direito em idades mais avançadas.…”

Section: Discussionunclassified

Preferência manual na ação de alcançar em bebês em função da localização espacial do alvo

Souza

Tudella

Teixeira

2011

Psicol. Reflex. Crit.

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ResumoPreferência manual em bebês de 5 meses de idade foi avaliada em tarefas de alcançar alvos estáticos posicionados na linha média, à direita e à esquerda com referência a coordenadas egocêntricas. A análise da frequência de uso das mãos indicou direção e magnitude de preferência manual diversificadas entre os bebês. Foi observado que os bebês realizaram predominantemente alcances ipsilaterais para alvos posicionados lateralmente. Para alcances na linha média a frequência de uso foi semelhante entre as mãos direita e esquerda. Os resultados sugerem que nessa fase do desenvolvimento a preferência manual para o alcançar é alterada pela posição dos objetos no espaço. Palavras-chave: Lateralidade; Preferência manual; Desenvolvimento motor; Bebês. AbstractManual preference of 5-month-old infants was evaluated in tasks of reaching static targets positioned on the midline, at the left and right, regarding egocentric coordinates. Frequency analysis of using the hands pointed out to diversified direction and magnitude of manual preference among infants. It was observed that they predominantly made ipsilateral reaches toward targets laterally positioned. Frequency of using the right and left hands was similar for targets located at the midline. The results suggest that in this stage of development manual preference is shifted by the spatial position of the objects. Keywords: Laterality; Manual preference; Motor development; Infants. O uso preferencial de uma mão em relação ao uso da mão oposta é uma característica comum nos seres humanos. Aproximadamente 85-90% de indivíduos adultos têm relatado possuir preferência manual direita (Brackenridge, 1981;Porac, Coren, & Duncan, 1980). Evidências indicam que a lateralização do comportamento é iniciada precocemente. Ramsay (1980), ao avaliar a preferência manual de bebês aos 5, 7, 9 e 13 meses, não encontrou preferência manual em bebês aos 5 meses. Entre 7 e 9 meses de idade a maioria dos bebês mostrou preferência manual, a qual foi confirmada aos 13 meses, sugerindo que o estabelecimento da preferência manual se inicia na segunda metade do primeiro ano de vida do bebê. Caplan e Kinsbourne (1976), no entanto, detectaram preferência manual em bebês em um período anterior ao observado por Ramsay, quando os bebês possuíam apenas 3 meses

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Categories of manual asymmetry and their variation with advancing age

Cited by 74 publications

References 51 publications

Computerized Finger Tapping Task in Adult Unipolar Depressed Patients and Healthy Subjects: Influence of Age, Gender, Education, and Hand Dominance

Computerized Finger Tapping Task in Adult Unipolar Depressed Patients and Healthy Subjects: Influence of Age, Gender, Education, and Hand Dominance

Reduced motor asymmetry in older adults when manually tracing paths

Preferência manual na ação de alcançar em bebês em função da localização espacial do alvo

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