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Dimensionality and Angular Disparity Influence Mental Rotation in Computer Gaming

Computers, Materials & Continua 2022年第7期72卷 887-905页

作者： akanksha tiwari Ram Bilas Pachori Premjit Khanganba Sanjram Department of Biosciences and Biomedical Engineering Indian Institute of Technology IndoreIndore453552India Department of Electrical Engineering Indian Institute of Technology IndoreIndore453552India Discipline of Psychology Indian Institute of Technology IndoreIndore453552India Center for Electric Vehicles and Intelligent Transport Systems Indian Institute of Technology IndoreIndore453552India

Computer gaming is one of the most common activities that individuals are indulged in their usual activities concerning interactive systembased *** processing is an essential aspect of mental rotation(MR)in playing *** studies have explored how objects’features affect theMRprocess;however,non-isomorphic 2Dand 3D objects lack a fair *** addition,the effects of these features on brain activation during the MR in computer-games have been less *** study investigates how dimensionality and angular disparity affect brain activation duringMRin ***(electroencephalogram)data were recorded from sixty healthy adults while playing an MR-based computer *** 2D and 3D visual objects with convex and reflex angular disparity were presented in the ***-based permutation tests were applied on EEG spectral power for frequency range 3.5–30 Hz to identify significant spatio-spectral ***,the band-specific hemispheric lateralization was evaluated to investigate task-specific *** results indicated higher alpha desynchronization in the left hemisphere during MR compared to *** fronto-parietal areas showed neural activations during the game with convex angular disparities and 3D objects,for a frequency range of 7.8–14.2Hz and 7.8–10.5Hz,*** areas also showed activations during the game with reflex angular disparities and 2D objects,but for narrower frequency bands,i.e.,8.0–10.0 Hz and 11.0–11.7 Hz,*** hemispheric dominance was observed for alpha and beta ***,the right parietal region was notably more dominant for convex angular disparity and 3D ***,the results showed higher neural activities elicited by convex angular disparities and 3D objects in the game compared to the reflex angles and *** findings suggest future applications,such as cognitive modeling and controlled MR training using computer g

关键词： Computer-based games angular disparity dimensionality mental rotation EEG hemispheric laterality

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Dorsal-Ventral Visual Pathways and Object Characteristics:Beamformer Source Analysis of EEG

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Computers, Materials & Continua 2022年第2期70卷 2347-2363页

In performing a gaming task,mental rotation(MR)is one of the important aspects of visuospatial *** involves dorsal-ventral pathways of the *** objects/models used in computer-games play a crucial role in gaming experience of the *** visuospatial characteristics of the objects used in the computer-game influence the engagement of dorsal-ventral visual *** current study investigates how the objects’visuospatial characteristics(i.e.,angular disparity and dimensionality)in an MR-based computer-game influence the cortical activities in dorsalventral visual *** the factors have two levels,angular disparity:convex angle(CA)*** angle(RA)and dimensionality:2D *** healthy adults,aged,18-29 years(M=21.6)were recruited for the study and randomly assigned to four gaming conditions i.e.,15 participants in each *** multichannel electroencephalogram(EEG)data were recorded from 60 healthy adults while playing the *** source reconstruction was done for∼3000 sources inside the brain using the Dynamic Imaging of Coherent Sources(DICS)beamforming method forθ1(4-5.75),θ2(5.75-7.5),α1(7.5-9),α2(9-11),α3(11-13),β1(13-17.25),β2(17.25-21.5)Hz frequency *** reconstructed neuronal sources were segmented into 68 functionally parcellated brain regions,and the percentage of active sources for each region was ***,the differences across the 68 regions among the four gaming conditions were evaluated using the percentage of active *** differences in activation for the dorsal-ventral pathways and some additional brain regions were observed among the four *** game with 2D objects and CA showed higher activation than that with 3D objects and RA,*** dorsal pathway was found to be more active in contrast to the ventral *** findings suggest that angular disparity and dimensionality in MR influence the engagement of dorsal-ventral visual pathways in such a way that angular disparit

关键词： Mental rotation EEG source localization DICS beamformer dorsal-ventral pathway

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Isomorphic 2D/3D Objects and Saccadic Characteristics in Mental Rotation

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Computers, Materials & Continua 2022年第1期70卷 433-450页

Mental rotation(MR)is an important aspect of cognitive processing in gaming since transformation andmanipulation of visuospatial information are necessary in order to execute a gaming *** study provides insights on saccadic characteristics in gaming task performance that involves 2D and 3D isomorphic objects with varying angular *** participants(N=60)performedMR gaming *** participantwas tested individually in an acoustic treated lab *** behavior data of all participants were recorded during task execution and analyzed to find the changes in spatiotemporal characteristics of saccades associated with the variation in angular disparity and *** were four groups with unique combination of angular disparity and dimensionality,each with fifteen participants randomly *** indicate that the spatial characteristics of the object affect the temporal aspect of saccade(duration),whereas the spatial aspect of the saccade(amplitude)is influenced by the objects’dimension.A longer saccade duration indicates a prolonged suppression of spatial information processing during the MR tasks with objects at convex range angular ***,the MR tasks with convex angular disparity become more complex to process compared to the tasks with reflex angular *** process is faster and more accurate with 3D objects compared to the 2D *** is an interaction between angular disparity and dimensionality in terms of mental demand,such that theMR processing with 2Dobjects in reflex angular disparitywasmoremental demanding than that of convex angular disparity;however,this trend was absent in case of ***,during the MR task,the longer saccade duration implies that the taskswith convex angular disparities become comparativelymore ***,the lower saccadic amplitude for 2D objects indicates difficulties in processing due to deficient visual *** findings could help in framing the c

关键词： Mental rotation computer-game angular disparity dimensionality gaze behavior

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