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The hand-lateralization of spatial associations in working memory and long-term memory

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Abstract
Spatial-numerical and spatial-positional associations have been well documented in the domains of numerical cognition and working memory, respectively. However, such associations are typically calculated by directly comparing (e.g., subtracting) left- versus right-hand responses; it remains an open question whether such associations reside in each hand individually, or are exclusively localised in one of the two hands. We conducted six experiments to investigate the hand-lateralization of both spatial-numerical and spatial-positional associations. All experiments revealed that the spatial associations stemmed from left-hand responses, irrespective of the handedness of the subjects, but with the exception of the magnitude comparison task (Experiments 5 and 6). We propose that the hemispheric lateralization of the tasks in combination with the task-relevance of spatial associations can explain this pattern. More generally, we suggest that the contributions of left and right hands require more attention in spatial-numerical and spatial-positional research.
Keywords
Experimental and Cognitive Psychology, Physiology (medical), Physiology, General Psychology, Neuropsychology and Physiological Psychology, General Medicine, Hand-lateralization, SNARC effect, ordinal position effect, visuo-spatial coding, verbal-spatial coding, RESPONSE CODES SNARC, POLARITY CORRESPONDENCE, HEMISPHERIC-SPECIALIZATION, NUMERICAL ASSOCIATION, MENTAL REPRESENTATION, PERCEIVING NUMBERS, FUNCTIONAL LOCUS, SPACE, MARKEDNESS, MAGNITUDE

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MLA
Zhou, Dandan, et al. “The Hand-Lateralization of Spatial Associations in Working Memory and Long-Term Memory.” QUARTERLY JOURNAL OF EXPERIMENTAL PSYCHOLOGY, vol. 73, no. 8, 2020, pp. 1150–61, doi:10.1177/1747021819899533.
APA
Zhou, D., Luo, J., Yi, Z., Li, Y., Yang, S., Verguts, T., & Chen, Q. (2020). The hand-lateralization of spatial associations in working memory and long-term memory. QUARTERLY JOURNAL OF EXPERIMENTAL PSYCHOLOGY, 73(8), 1150–1161. https://doi.org/10.1177/1747021819899533
Chicago author-date
Zhou, Dandan, Jie Luo, Zizhen Yi, Yun Li, Shuting Yang, Tom Verguts, and Qi Chen. 2020. “The Hand-Lateralization of Spatial Associations in Working Memory and Long-Term Memory.” QUARTERLY JOURNAL OF EXPERIMENTAL PSYCHOLOGY 73 (8): 1150–61. https://doi.org/10.1177/1747021819899533.
Chicago author-date (all authors)
Zhou, Dandan, Jie Luo, Zizhen Yi, Yun Li, Shuting Yang, Tom Verguts, and Qi Chen. 2020. “The Hand-Lateralization of Spatial Associations in Working Memory and Long-Term Memory.” QUARTERLY JOURNAL OF EXPERIMENTAL PSYCHOLOGY 73 (8): 1150–1161. doi:10.1177/1747021819899533.
Vancouver
1.
Zhou D, Luo J, Yi Z, Li Y, Yang S, Verguts T, et al. The hand-lateralization of spatial associations in working memory and long-term memory. QUARTERLY JOURNAL OF EXPERIMENTAL PSYCHOLOGY. 2020;73(8):1150–61.
IEEE
[1]
D. Zhou et al., “The hand-lateralization of spatial associations in working memory and long-term memory,” QUARTERLY JOURNAL OF EXPERIMENTAL PSYCHOLOGY, vol. 73, no. 8, pp. 1150–1161, 2020.
@article{8670423,
  abstract     = {{Spatial-numerical and spatial-positional associations have been well documented in the domains of numerical cognition and working memory, respectively. However, such associations are typically calculated by directly comparing (e.g., subtracting) left- versus right-hand responses; it remains an open question whether such associations reside in each hand individually, or are exclusively localised in one of the two hands. We conducted six experiments to investigate the hand-lateralization of both spatial-numerical and spatial-positional associations. All experiments revealed that the spatial associations stemmed from left-hand responses, irrespective of the handedness of the subjects, but with the exception of the magnitude comparison task (Experiments 5 and 6). We propose that the hemispheric lateralization of the tasks in combination with the task-relevance of spatial associations can explain this pattern. More generally, we suggest that the contributions of left and right hands require more attention in spatial-numerical and spatial-positional research.}},
  author       = {{Zhou, Dandan and Luo, Jie and Yi, Zizhen and Li, Yun and Yang, Shuting and Verguts, Tom and Chen, Qi}},
  issn         = {{1747-0218}},
  journal      = {{QUARTERLY JOURNAL OF EXPERIMENTAL PSYCHOLOGY}},
  keywords     = {{Experimental and Cognitive Psychology,Physiology (medical),Physiology,General Psychology,Neuropsychology and Physiological Psychology,General Medicine,Hand-lateralization,SNARC effect,ordinal position effect,visuo-spatial coding,verbal-spatial coding,RESPONSE CODES SNARC,POLARITY CORRESPONDENCE,HEMISPHERIC-SPECIALIZATION,NUMERICAL ASSOCIATION,MENTAL REPRESENTATION,PERCEIVING NUMBERS,FUNCTIONAL LOCUS,SPACE,MARKEDNESS,MAGNITUDE}},
  language     = {{eng}},
  number       = {{8}},
  pages        = {{1150--1161}},
  title        = {{The hand-lateralization of spatial associations in working memory and long-term memory}},
  url          = {{http://doi.org/10.1177/1747021819899533}},
  volume       = {{73}},
  year         = {{2020}},
}

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