The role of orthographic neighbourhood effects in lateralized lexical decision: a replication study and meta-analysis
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In: PeerJ, Vol. 9, e11266, 28.04.2021.
Research output: Contribution to journal › Article › peer-review
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T1 - The role of orthographic neighbourhood effects in lateralized lexical decision: a replication study and meta-analysis
AU - Parker, Adam J
AU - Egan, Ciara
AU - Grant, Jack H
AU - Harte, Sophie
AU - Hudson, Brad T
AU - Woodhead, Zoe V J
PY - 2021/4/28
Y1 - 2021/4/28
N2 - The effect of orthographic neighbourhood size (N) on lexical decision reaction time differs when words are presented in the left or right visual fields. Evidence suggests a facilitatory N effect (i.e., faster reaction times for words with larger neighbourhoods) in the left visual field. However, the N effect in the right visual field remains controversial: it may have a weaker facilitative role or it may even be inhibitory. In a pre-registered online experiment, we replicated the interaction between N and visual field and provided support for an inhibitory N effect in the right visual field. We subsequently conducted a pre-registered systematic review and meta-analysis to synthesise the available evidence and determine the direction of N effects across visual fields. Based on the evidence, it would seem the effect is inhibitory in the right visual field. Furthermore, the size of the N effect is considerably smaller in the right visual field. Both studies revealed considerable heterogeneity between participants and studies, and we consider the implications of this for future work. [Abstract copyright: ©2021 Parker et al.]
AB - The effect of orthographic neighbourhood size (N) on lexical decision reaction time differs when words are presented in the left or right visual fields. Evidence suggests a facilitatory N effect (i.e., faster reaction times for words with larger neighbourhoods) in the left visual field. However, the N effect in the right visual field remains controversial: it may have a weaker facilitative role or it may even be inhibitory. In a pre-registered online experiment, we replicated the interaction between N and visual field and provided support for an inhibitory N effect in the right visual field. We subsequently conducted a pre-registered systematic review and meta-analysis to synthesise the available evidence and determine the direction of N effects across visual fields. Based on the evidence, it would seem the effect is inhibitory in the right visual field. Furthermore, the size of the N effect is considerably smaller in the right visual field. Both studies revealed considerable heterogeneity between participants and studies, and we consider the implications of this for future work. [Abstract copyright: ©2021 Parker et al.]
KW - Cerebral hemisphere
KW - Laterality
KW - Lateralized presentation
KW - Orthographic neighbourhood effects
KW - Replication
KW - Systematic review and meta-analysis
U2 - 10.7717/peerj.11266
DO - 10.7717/peerj.11266
M3 - Article
C2 - 33986993
VL - 9
JO - PeerJ
JF - PeerJ
SN - 2167-8359
M1 - e11266
ER -