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Mirror reversal: empirical tests of competing accounts.
Q J Exp Psychol (Hove). 2007 Nov; 60(11):1555-84.QJ

Abstract

In a mirror, left and right are said to look reversed. Surprisingly, this very familiar phenomenon, mirror reversal, has still no agreed-upon account to date. This study compared a variety of accounts in the light of empirical data. In Experiment 1, 102 students judged whether the mirror image of a person or a character looked reversed or not in 15 settings and also judged the directional relation between its components. In Experiment 2, 52 students made the reversal judgements in 13 settings. It was found for the first time that a substantial proportion of people denied the left-right mirror reversal of a person, whereas virtually all of them did recognize that of a character. This discrepancy strongly suggested that these two kinds of mirror reversal are produced by different processes, respectively. A number of findings including this discrepancy clearly contradicted two accounts that are currently active: the one based on the priority of the up-down and front-back axes over the left-right axis, and the one based on the physical rotation of an object. All the findings were consistent with an account that considered mirror reversal a complex of three different phenomena produced by three different processes, respectively.

Authors+Show Affiliations

Department of Psychology, Graduate School of Humanities, University of Tokyo, Japan. takano@L.u-tokyo.ac.jpNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

17853213

Citation

Takano, Yohtaro, and Akihiro Tanaka. "Mirror Reversal: Empirical Tests of Competing Accounts." Quarterly Journal of Experimental Psychology (2006), vol. 60, no. 11, 2007, pp. 1555-84.
Takano Y, Tanaka A. Mirror reversal: empirical tests of competing accounts. Q J Exp Psychol (Hove). 2007;60(11):1555-84.
Takano, Y., & Tanaka, A. (2007). Mirror reversal: empirical tests of competing accounts. Quarterly Journal of Experimental Psychology (2006), 60(11), 1555-84.
Takano Y, Tanaka A. Mirror Reversal: Empirical Tests of Competing Accounts. Q J Exp Psychol (Hove). 2007;60(11):1555-84. PubMed PMID: 17853213.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Mirror reversal: empirical tests of competing accounts. AU - Takano,Yohtaro, AU - Tanaka,Akihiro, PY - 2007/9/14/pubmed PY - 2008/3/8/medline PY - 2007/9/14/entrez SP - 1555 EP - 84 JF - Quarterly journal of experimental psychology (2006) JO - Q J Exp Psychol (Hove) VL - 60 IS - 11 N2 - In a mirror, left and right are said to look reversed. Surprisingly, this very familiar phenomenon, mirror reversal, has still no agreed-upon account to date. This study compared a variety of accounts in the light of empirical data. In Experiment 1, 102 students judged whether the mirror image of a person or a character looked reversed or not in 15 settings and also judged the directional relation between its components. In Experiment 2, 52 students made the reversal judgements in 13 settings. It was found for the first time that a substantial proportion of people denied the left-right mirror reversal of a person, whereas virtually all of them did recognize that of a character. This discrepancy strongly suggested that these two kinds of mirror reversal are produced by different processes, respectively. A number of findings including this discrepancy clearly contradicted two accounts that are currently active: the one based on the priority of the up-down and front-back axes over the left-right axis, and the one based on the physical rotation of an object. All the findings were consistent with an account that considered mirror reversal a complex of three different phenomena produced by three different processes, respectively. SN - 1747-0218 UR - https://www.unboundmedicine.com/medline/citation/17853213/Mirror_reversal:_empirical_tests_of_competing_accounts_ L2 - https://journals.sagepub.com/doi/10.1080/17470210601137102?url_ver=Z39.88-2003&rfr_id=ori:rid:crossref.org&rfr_dat=cr_pub=pubmed DB - PRIME DP - Unbound Medicine ER -