Laterality, Hand Preference, and Human Spatial Ability

1976 ◽  
Vol 42 (3) ◽  
pp. 781-782 ◽  
Author(s):  
Mark G. McGee
Keyword(s):  
Spatial Ability ◽  
Cerebral Hemisphere ◽  
Hand Preference ◽  
Spatial Visualization ◽  
Relative Importance ◽  
Left Cerebral Hemisphere ◽  
Left Handed ◽  
Spatial Test

6 left-handed females scored significantly below 60 right-handed females on a test of spatial visualization ( p < .005). 13 left-handed males showed a higher mean score than 33 right-handed males on the spatial test, although this difference was not statistically significant. These results are consistent with the hypothesis that the left cerebral hemisphere is of greater relative importance to spatial functioning in females than males.

The Importance of Spatial Visualization and Cognitive Development for Geometry Learning in Preservice Elementary Teachers

1982 ◽  
Vol 13 (5) ◽  
pp. 332-340 ◽  
Author(s):  
Michael T. Battista ◽  
Grayson H. Wheatley ◽  
Gary Talsma
Keyword(s):  
Cognitive Development ◽  
Elementary Teachers ◽  
Spatial Ability ◽  
Analysis Of Variance ◽  
Spatial Visualization ◽  
Preservice Elementary Teachers ◽  
Relative Importance ◽  
Main Effect ◽  
Geometry Learning ◽  
Visualization Ability

The relative importance of spatial visualization ability and cognitive development for achievement in a geometry course for preservice elementary teachers was investigated. Both factors correlated significantly with achievement, but in an analysis of variance, only the main effect due to cognitive development was significant. There was no interaction between the factors. The effect of the semester-long geometry course on students' spatial ability was also investigated. It was found that the students' spatial visualization ability was significantly greater at the end of the geometry course than at the beginning.

Kognitiewe Vermoëns Van Persone met Regterhemisferiese Taalverteenwoordiging

1987 ◽  
Vol 17 (1) ◽  
pp. 9-14
Author(s):  
A.D. Stuart ◽  
J.M. Schepers
Keyword(s):  
Cognitive Ability ◽  
Cognitive Abilities ◽  
Cerebral Hemisphere ◽  
Cognitive Deficit ◽  
Left Cerebral Hemisphere ◽  
Language Functions ◽  
Left Handed ◽  
Language Representation

Cognitive abilities of persons with right hemispheric language representation. It is well known that language functions are mostly mediated by the left cerebral hemisphere. Approximately 4% of the population (mostly left-handed people), however, have right hemispheric language representation. Theories which predict the outcome of right hemispheric language representation on cognitive abilities are contradictory and divergent. Some researchers postulate differences in cognitive abilities between persons with right hemispheric and left hemispheric language representation, whereas other researchers postulate similar cognitive abilities for the two groups. The present study indicates that there are no differences in cognitive ability between normal persons with right and with left hemispheric language representation. In the light of this finding it is postulated that people with right hemispheric language representation possibly have a crossed cerebral organization which does not lead to any cognitive deficit or advantage.

scholarly journals A-079 Hand Preference in Men and Women with Parkinson’s Disease: A Preliminary Investigation

2020 ◽  
Vol 35 (6) ◽  
pp. 871-871
Author(s):  
Ryan J ◽  
Kreiner D ◽  
Gontkovsky S ◽  
Paolo A
Keyword(s):  
Parkinson’S Disease ◽  
Parkinson's Disease ◽  
Neurological Disorders ◽  
Rating Scale ◽  
Preliminary Investigation ◽  
Hand Preference ◽  
Dominant Hand ◽  
Healthy Individuals ◽  
Left Handed ◽  
Increased Risk

Abstract Objective Research has identified common genetic influences on handedness and neurological/mental health phenotypes. It also has been shown there may be increased risk for development of neurological disorders/diseases among individuals naturally left-handed or demonstrating non-right-hand preference. This investigation examined prevalence of right-handed versus non-right-handed individuals with Parkinson’s disease (PD) compared to controls. Method Participants were 264 patients with PD (mean age = 69.83 years) and 256 control volunteers (mean age = 71.42 years). Mean Dementia Rating Scale composites for the groups were 123.68 and 136.00, respectively. Participants self-identified their dominant hand for writing and usage was confirmed during the session. Results Proportions of non-right- and right-handed controls (7.0% and 93.0%) versus individuals with PD (6.8% and 93.2%) did not differ. Changes in proportions of non-right- and right-handedness across age ranges were not significant for controls or patients. There was a trend for a larger proportion of women (55.9%) versus men among controls (44.1%), □ 2 (1) = 3.29, p &lt; .10; whereas, the proportion of men (64.4%) with PD was larger than that of women. (35.6%), □ 2 (1) = 21.31, p &lt; .001. For controls and patients, non-right and right handedness gender proportions were similar. Conclusions This study is the first to assess handedness prevalence rates in PD. Results suggest prevalence of non-right handedness is similar in PD and healthy individuals and does not appear to differ markedly by gender or with advancing age. The occurrence of a trend for a larger proportion of women than men among controls is consistent with census-based statistics.

Expanding Talent Search Procedures by Including Measures of Spatial Ability: CTY's Spatial Test Battery

Roeper Review ◽  
2013 ◽  
Vol 35 (4) ◽  
pp. 254-264 ◽  
Author(s):  
Heinrich Stumpf ◽  
Carol J. Mills ◽  
Linda E. Brody ◽  
Philip G. Baxley
Keyword(s):  
Spatial Ability ◽  
Test Battery ◽  
Talent Search ◽  
Spatial Test

A discussion of apraxia, aphasia, and gestural language

1984 ◽  
Vol 246 (6) ◽  
pp. R884-R887
Author(s):  
N. Helm-Estabrooks
Keyword(s):  
Sign Language ◽  
Cerebral Hemisphere ◽  
Communication Disorder ◽  
Left Cerebral Hemisphere ◽  
Language Behavior ◽  
Normal Language ◽  
Symbolic Gestures ◽  
The Many ◽  
The Relationship ◽  
The Brain

It is understood that damage to the left cerebral hemisphere in adulthood may result in syndromes of language disturbances called the aphasias. The study of these syndromes sheds light on normal language processes, the relationship between language behavior and the brain, and how best to treat aphasic individuals. Aphasia, for some, is a central communication disorder affecting all symbolic behavior in all modalities (i.e., speech, writing, and gesture). Difficulty producing symbolic gestures on command is called apraxia. Others view aphasia as a manifestation of a motor-sequencing disorder affecting all gestural systems including those required for speech movements. These divergent theories of the underlying nature of aphasia can be tested through examination of deaf individuals who use sign language before onset of aphasia. Poizner et al. [Am. J. Physiol. 246 (Regulatory Integrative Comp. Physiol. 15): R868-R883, 1984] studied three such patients with different aphasia syndromes: one patient had a nonsymbolic, motor-sequencing disorder; one had a gestural apraxia; and one had neither. These findings force the conclusion that neither the symbolic nor motor-sequencing theory of aphasia can account for the many varieties of that disorder.

scholarly journals Bagaimana Mengembangkan Kemampuan Spasial dalam Pembelajaran Matematika di Sekolah?: Suatu Tinjauan Literatur

2020 ◽  
Vol 1 (2) ◽  
pp. 60-72
Author(s):  
S Sudirman ◽  
Fiki Alghadari
Keyword(s):  
Video Games ◽  
Literature Review ◽  
Everyday Life ◽  
Spatial Ability ◽  
Spatial Relations ◽  
Spatial Visualization ◽  
Spatial Abilities ◽  
Spatial Language ◽  
Learning Mathematics ◽  
Folding Paper

Spatial ability is an important one of the abilities for completing many tasks in everyday life successfully. Spatial ability is considered a type of different ability to others. Therefore, there needs a study on how are the characteristics of spatial abilities and to develop in schools. This paper is to reveal the ways are developing spatial abilities in learning mathematics. Based on literature review from some research, at least that there are six ways to develop spatial abilities in learning mathematics, namely: (1) using spatial language in daily interactions; (2) teaching for sketching and drawing; (3) using a suitable game; (4) using a tangram; (5) using video games; and (6) origami and folding paper. Playing video games like Tetris are exercises for spatial relations, mental rotation, spatial orientation, and spatial visualization.

scholarly journals Prevalence and Heritability of Handedness in a Hong Kong Chinese Twin and Singleton Sample

2019 ◽  
Author(s):  
Mo Zheng ◽  
Catherine McBride ◽  
Connie Suk-Han Ho ◽  
Jonathan Ka-Chun Chan ◽  
Kwong Wai Choy ◽  
...  
Keyword(s):  
Hong Kong ◽  
Genetic Factors ◽  
Reference Data ◽  
Hand Preference ◽  
Hong Kong Chinese ◽  
Left Handedness ◽  
Left Handed ◽  
Chinese School ◽  
Heritability Analysis ◽  
Definition Of

Left-Handedness prevalence has been consistently reported at around 10% with heritability estimates at around 25%. Higher left-handedness prevalence has been reported in males and in twins. Lower prevalence has been reported in Asia, but it remains unclear whether this is due to biological or cultural factors. Most studies are based on samples with European ethnicities and using the preferred hand for writing as the key assessment. Here, we investigated handedness in a sample of Chinese school children in Hong Kong, including 426 singletons and 205 pairs of twins, using both the Edinburgh Handedness Inventory and Pegboard Task. Based on a binary definition of writing hand, we found a higher prevalence of left-handedness (8%) than what was previously reported in Asian datasets. We found no evidence of increased left-handedness in twins, but our results were in line with previous findings showing that males have a higher tendency to be left-handed than females. Heritability was similar for both hand preference (21%) and laterality indexes (22%). However, these two handedness measures present only a moderate correlation (.42) and appear to be underpinned by different genetic factors. In summary, we report new reference data for an ethnic group usually underrepresented in the literature. Our heritability analysis supports the idea that different measures will capture different components of handedness and, as a consequence, datasets assessed with heterogeneous criteria are not easily combined or compared.

scholarly journals Hand Preference and Creativity of Papua University Student

2022 ◽  
Vol 8 (1) ◽  
pp. 257-262
Author(s):  
Vionita Putri ◽  
Elda Irma Jeanne Joice Kawulur ◽  
Febriza Dwiranti ◽  
Sabarita Sinuraya ◽  
Sita Ratnawati
Keyword(s):  
Hand Preference ◽  
University Student ◽  
Creative People ◽  
Left Hand ◽  
Adjective Check List ◽  
Left Handed ◽  
Males And Females ◽  
Papua Barat ◽  
The Right ◽  
Descriptive Method

Human has a preference to use their hands for various manual activities. Left-handed preference is people who tend to use their left hand to perform various manual activities, while right-handed people tend to use right-handed. Any researches show that the left-handed preference for more creativity was influenced by the dominant use of the right brain and bigger corpus callosum. The research aims to determine the percentage of left-handed preference and their creativity in Universitas Papua, Manokwari Papua Barat. The method used in this research is the descriptive method. Data collection used a questionnaire to evaluate individual hand preference using Handedness Questionnaire and to determine individual creativity using Adjective Check List. The percentage of left-handed people in UNIPA were 9.3% or lower than right-handed and higher than ambidextrous. Our study supports the statement about selection in handedness in the traditional society which showed a higher percentage of left-hander as advantages related to using hand intensively.  The percentage of left-handed males and females was almost equal and strongly left-handed was higher in females. The percentage of creative people was higher in left-handed, especially in males

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