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Bahari A, Hasani J. Both direction and degree of handedness as influential factors in rumination. Laterality 2023; 28:377-405. [PMID: 37635276 DOI: 10.1080/1357650x.2023.2250078] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 08/15/2023] [Indexed: 08/29/2023]
Abstract
There is contradictory evidence on the influence of handedness on depression and anxiety. However, few studies have investigated the relationship between handedness and rumination, which is robustly associated with both depression and anxiety. This study aimed to examine the influence of direction and consistency of handedness on rumination, considering four different classifications of handedness. The study sample included 406 participants (282 females) who attended an online survey and answered a demographic questionnaire, the Edinburgh Handedness Inventory, the Ruminative Response Scale, and the second edition of the Beck Depression Inventory. Considering four different classifications of handedness, a series of one-way ANOVAs was conducted to investigate any differences between the handedness groups. Besides, linear regression models were used to predict depression or rumination scores among the whole study sample, left-handers, and right-handers. Consistency of handedness predicted rumination among right-handers (but not left-handers), with a direct association between consistency and brooding/total rumination scores. Also, consistent left-handers and consistent right-handers showed higher brooding scores than inconsistent right-handers. Overall, the results supported the significant influence of both direction and consistency of handedness on individual differences in rumination and suggested consistent- and left-handedness as perpetuating factors for ruminative response style.
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Affiliation(s)
- Ali Bahari
- Department of Clinical Psychology, Faculty of Psychology and Education, Kharazmi University, Tehran, Iran
| | - Jafar Hasani
- Department of Clinical Psychology, Faculty of Psychology and Education, Kharazmi University, Tehran, Iran
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Murphy TJ, Voyer D. Accident proneness, laterality, and time estimation. ACCIDENT; ANALYSIS AND PREVENTION 2023; 188:107098. [PMID: 37172453 DOI: 10.1016/j.aap.2023.107098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 04/26/2023] [Accepted: 04/30/2023] [Indexed: 05/15/2023]
Abstract
Cerebral laterality has been linked to accident proneness and time perception, but the possible role of time estimation abilities has received little attention. Accordingly, the present study focused on this under-explored question while also aiming to replicate past work examining the relationship between measures of laterality and injury proneness. Participants reported on the number of accidents they have had in their lifetime requiring medical care and the number of minor accidents they had in the past month as outcome variables. They also completed the Waterloo Handedness Questionnaire, a left bias visual task (Greyscales task), a right bias auditory verbal task (Fused Dichotic Words Task), and an objective measure of time perception. Extensive examination of statistical model fit showed that a model assuming a Poisson distribution provided the best fit for minor injuries and an additional negative binomial provided the best fit to the lifetime accidents. Results showed a negative relation between the degree of verbal laterality (absolute right bias) and injuries requiring medical care. Furthermore, the number of accidents requiring medical care was positively related to the precision of time estimation and the direction of verbal laterality on response time (raw right bias). Interpretations of these findings emphasize their implications for interhemispheric communication and motor control in the context of time estimation and auditory verbal laterality. These aspects seem to provide promising avenues for future research.
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Affiliation(s)
- Thomas J Murphy
- University of New Brunswick, Dept of Psychology, 38 Dineen Drive, Fredericton, NB E3B 5A3, Canada
| | - Daniel Voyer
- University of New Brunswick, Dept of Psychology, 38 Dineen Drive, Fredericton, NB E3B 5A3, Canada.
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Kuderer S, Voracek M, Kirchengast S, Rotter CE. The Handedness Index Practical Task (HI 20): An economic behavioural measure for assessing manual preference. Laterality 2021; 27:273-307. [PMID: 34758712 DOI: 10.1080/1357650x.2021.1990312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
ABSTRACTBecause self-report hand preference measures are limited to investigating cognitive aspects of manual laterality, valid, easy-to-administer and economic behavioural methods are needed for capturing the motoric component of handedness. Therefore, this study introduces the Handedness Index Practical Task (HI20) and tests it in a sample of 206 students (Mage = 23.79 years, SDage = 3.01 years), half of whom were self-specified left-handers. After confirming good reliabilities at the subscale and total scale levels, k-means cluster analysis allowed an empirically based partitioning of test subjects into left- (n = 72), mixed- (n = 23) and right-handers (n = 111). To validate this categorization and the HI20 index, data were compared with the Edinburgh Handedness Inventory (EHI), EHI-short, HI22 and hand grip strength. The congruency between the HI20 clusters and alternative categorizations ranged from 95.6% to 84.0%, while the clusters explained large portions of variance in grip strength differences. The HI20 sub- and total scores showed strong correlations with other measures of lateral preference. Altogether, the freely available HI20 emerges as a reliable and valid alternative for behavioural handedness assessment, whose power lies in explaining differential hand use patterns and enabling fine-grained examinations of handedness.
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Affiliation(s)
- Sonja Kuderer
- Department of Evolutionary Anthropology, University of Vienna, Vienna, Austria
| | - Martin Voracek
- Department of Cognition, Emotion, and Methods in Psychology, Faculty of Psychology, University of Vienna, Vienna, Austria
| | - Sylvia Kirchengast
- Department of Evolutionary Anthropology, University of Vienna, Vienna, Austria
| | - Christoph E Rotter
- Department of English and American Studies, University of Vienna, Vienna, Austria
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Ruck L, Schoenemann PT. Handedness measures for the Human Connectome Project: Implications for data analysis. Laterality 2020; 26:584-606. [PMID: 33373549 DOI: 10.1080/1357650x.2020.1866001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Open data initiatives such as the UK Biobank and Human Connectome Project provide researchers with access to neuroimaging, genetic, and other data for large samples of left-and right-handed participants, allowing for more robust investigations of handedness than ever before. Handedness inventories are universal tools for assessing participant handedness in these large-scale neuroimaging contexts. These self-report measures are typically used to screen and recruit subjects, but they are also widely used as variables in statistical analyses of fMRI and other data. Recent investigations into the validity of handedness inventories, however, suggest that self-report data from these inventories might not reflect hand preference/performance as faithfully as previously thought. Using data from the Human Connectome Project, we assessed correspondence between three handedness measures - the Edinburgh Handedness Inventory (EHI), the Rolyan 9-hole pegboard, and grip strength - in 1179 healthy subjects. We show poor association between the different handedness measures, with roughly 10% of the sample having at least one behavioural measure which indicates hand-performance bias opposite to the EHI score, and over 65% of left-handers having one or more mismatched handedness scores. We discuss implications for future work, urging researchers to critically consider direction, degree, and consistency of handedness in their data.
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Affiliation(s)
- Lana Ruck
- Cognitive Science Program, Indiana University, Bloomington IN, USA.,Department of Anthropology, Indiana University, Bloomington IN, USA.,Stone Age Institute, Center for Research into the Anthropological Foundations of Technology (CRAFT), Indiana University, Bloomington, IN, USA
| | - P Thomas Schoenemann
- Cognitive Science Program, Indiana University, Bloomington IN, USA.,Department of Anthropology, Indiana University, Bloomington IN, USA.,Stone Age Institute, Center for Research into the Anthropological Foundations of Technology (CRAFT), Indiana University, Bloomington, IN, USA
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Argyropoulos V, Sideridis GD, Papadimitriou V. Hand preference of individuals with blindness in everyday activities: The effects of age of sight loss, age, and gender. RESEARCH IN DEVELOPMENTAL DISABILITIES 2014; 35:1885-1898. [PMID: 24767801 DOI: 10.1016/j.ridd.2014.03.027] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2013] [Revised: 03/11/2014] [Accepted: 03/11/2014] [Indexed: 06/03/2023]
Abstract
The research aims of the present study were: (a) to assess the hand preference of blind persons in everyday activities on the basis of gender, type of blindness, and age; and (b) to conduct the above analysis at both the item level and the latent trait level, after concluding the optimum factor structure of the instrument. Participants were 82 individuals with visual impairments and blindness. Their mean age was 29.99 years. Handedness was evaluated using a modified version of the Edinburgh Handedness Inventory (Oldfield, 1971). When comparing handedness preferences across age of sight loss, gender, and age groups results indicated that there were significant differences in preference for several everyday tasks across age of sight loss and age groups but not gender. These results were also confirmed at the latent-trait mean level. The present findings add to the extant literature that highlighted hand preferences for individuals with visual impairments and blindness.
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Kuuluvainen S, Nevalainen P, Sorokin A, Mittag M, Partanen E, Putkinen V, Seppänen M, Kähkönen S, Kujala T. The neural basis of sublexical speech and corresponding nonspeech processing: a combined EEG-MEG study. BRAIN AND LANGUAGE 2014; 130:19-32. [PMID: 24576806 DOI: 10.1016/j.bandl.2014.01.008] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/21/2012] [Revised: 01/10/2014] [Accepted: 01/23/2014] [Indexed: 06/03/2023]
Abstract
We addressed the neural organization of speech versus nonspeech sound processing by investigating preattentive cortical auditory processing of changes in five features of a consonant-vowel syllable (consonant, vowel, sound duration, frequency, and intensity) and their acoustically matched nonspeech counterparts in a simultaneous EEG-MEG recording of mismatch negativity (MMN/MMNm). Overall, speech-sound processing was enhanced compared to nonspeech sound processing. This effect was strongest for changes which affect word meaning (consonant, vowel, and vowel duration) in the left and for the vowel identity change in the right hemisphere also. Furthermore, in the right hemisphere, speech-sound frequency and intensity changes were processed faster than their nonspeech counterparts, and there was a trend for speech-enhancement in frequency processing. In summary, the results support the proposed existence of long-term memory traces for speech sounds in the auditory cortices, and indicate at least partly distinct neural substrates for speech and nonspeech sound processing.
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Affiliation(s)
- Soila Kuuluvainen
- Cognitive Brain Research Unit, Institute of Behavioral Sciences, P.O. Box 9, 00014 University of Helsinki, Finland.
| | - Päivi Nevalainen
- BioMag Laboratory, Hospital District of Helsinki and Uusimaa, HUS Medical Imaging Center, P.O. Box 340, 00029 HUS, Helsinki University Central Hospital, Helsinki, Finland
| | - Alexander Sorokin
- Cognitive Brain Research Unit, Institute of Behavioral Sciences, P.O. Box 9, 00014 University of Helsinki, Finland; Laboratory of Neurophysiology, Mental Health Research Centre, Russian Academy of Medical Sciences, Kashirskoe sh. 34, 115522 Moscow, Russia; Centre of Neurobiological Diagnostics, Moscow State University of Psychology and Education, Sretenka 29, 127051 Moscow, Russia
| | - Maria Mittag
- Cognitive Brain Research Unit, Institute of Behavioral Sciences, P.O. Box 9, 00014 University of Helsinki, Finland; University Of Washington, Institute for Learning and Brain Sciences, Seattle, Washington, United States of America
| | - Eino Partanen
- Cognitive Brain Research Unit, Institute of Behavioral Sciences, P.O. Box 9, 00014 University of Helsinki, Finland; Center of Excellence in Interdisciplinary Music Research, Department of Music, P.O. Box 35, 40014 University of Jyväskylä, Finland
| | - Vesa Putkinen
- Cognitive Brain Research Unit, Institute of Behavioral Sciences, P.O. Box 9, 00014 University of Helsinki, Finland; Center of Excellence in Interdisciplinary Music Research, Department of Music, P.O. Box 35, 40014 University of Jyväskylä, Finland
| | - Miia Seppänen
- Cognitive Brain Research Unit, Institute of Behavioral Sciences, P.O. Box 9, 00014 University of Helsinki, Finland; Center of Excellence in Interdisciplinary Music Research, Department of Music, P.O. Box 35, 40014 University of Jyväskylä, Finland
| | - Seppo Kähkönen
- BioMag Laboratory, Hospital District of Helsinki and Uusimaa, HUS Medical Imaging Center, P.O. Box 340, 00029 HUS, Helsinki University Central Hospital, Helsinki, Finland
| | - Teija Kujala
- Cognitive Brain Research Unit, Institute of Behavioral Sciences, P.O. Box 9, 00014 University of Helsinki, Finland; CICERO Learning, Institute of Behavioral Sciences, P.O. Box 9, 00014 University of Helsinki, Finland
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Hardie SM, Wright L. Differences between left- and right-handers in approach/avoidance motivation: influence of consistency of handedness measures. Front Psychol 2014; 5:134. [PMID: 24600426 PMCID: PMC3929948 DOI: 10.3389/fpsyg.2014.00134] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2013] [Accepted: 02/01/2014] [Indexed: 11/13/2022] Open
Abstract
Hand preference is often viewed as a troublesome variable in psychological research, with left-handers routinely excluded from studies. Contrary to this, a body of evidence has shown hand preference to be a useful variable when examining human behavior. A recent review argues that the most effective way of using handedness as a variable, is a comparison between individuals who use their dominant hand for virtually all manual activities (consistent handers) versus those who use their other hand for at least one activity (inconsistent handers). The authors contend that researchers should only focus on degree of handedness rather than direction of preference (left versus right). However, we argue that the field suffers from a number of methodological and empirical issues. These include a lack of consensus in choice of cut-off point to divide consistent and inconsistent categories and importantly a paucity of data from left-handers. Consequentially, researchers predominantly compare inconsistent versus consistent right-handers, largely linked to memory, cognition and language. Other research on response style and personality measures shows robust direction of handedness effects. The present study examines both strength and direction of handedness on self-reported behavioral inhibition system (BIS) and behavioral activation system (BAS) scores, using evidence from a large (N = 689) dataset including more than 200 left-handers. There were degree of handedness effects on BIS and BAS-Fun Seeking, but effects are largely driven by differences between consistent left-handers and other groups. Choice of cut-off point substantively influenced results, and suggests that unless a suitable sample of left-handers is included, researchers clarify that their degree of handedness effects are applicable only to right-handers. We concur that strength of hand preference is an important variable but caution that differences related to consistency may not be identical in right and left-handers.
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Affiliation(s)
- Scott M Hardie
- Evolutionary and Biological Approaches to Behaviour Research Group, School of Social and Health Sciences, University of Abertay Dundee, UK
| | - Lynn Wright
- Evolutionary and Biological Approaches to Behaviour Research Group, School of Social and Health Sciences, University of Abertay Dundee, UK
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Chu O, Abeare CA, Bondy MA. Inconsistent vs consistent right-handers' performance on an episodic memory task: evidence from the California Verbal Learning Test. Laterality 2011; 17:306-17. [PMID: 22594813 DOI: 10.1080/1357650x.2011.568490] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
Inconsistent handedness is associated with better memory performance on episodic memory tasks than consistent handedness. The present study further explored this difference in memory related to handedness by administering a measure that is used in clinical settings to assess different aspects of long-term memory. The results indicated that inconsistent right-handed individuals recalled and recognised more words on the California Verbal Learning Test-II than consistent right-handed individuals. Inconsistent right-handers also showed better performance than consistent right-handers on measures of source recognition. The results of this study further extend the effects of handedness on memory to the clinical setting because the CVLT-II is a measure used extensively in clinical neuropsychology.
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Affiliation(s)
- Olivia Chu
- Department of Psychology, University of Windsor, Windsor, ON, Canada.
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