Search results for "allocentric"

showing 3 items of 3 documents

Assessing the Relationship Between Attitudinal and Perceptual Component of Body Image Disturbance Using Virtual Reality

2018

Body image disturbance (BID) affects quality of life even in the absence of clinically diagnosable eating pathology, and numerous studies have shown its crucial role in the emergence and maintenance of eating disorders. This study aimed at exploring attitudinal and perceptual components of BID using a novel virtual reality (VR)-based paradigm. A community sample of women (N = 27) recreated in VR their perceived body in both an allocentric (third-person view) and egocentric (first-person view) perspective. Specifically, women were able to choose between a wide range of three-dimensional bodies spanning body mass index 12.5-42.5 kg/m2. Attitudinal indexes of BID (body dissatisfaction, body un…

Adult050103 clinical psychologybody size estimationSocial Psychologybody imagemedia_common.quotation_subjectPersonal SatisfactionVirtual realityallocentricBody image disturbance03 medical and health sciences0302 clinical medicineQuality of life (healthcare)Component (UML)PerceptionHumans0501 psychology and cognitive sciencesApplied Psychologymedia_commonCommunication05 social sciencesEating pathologybody image disturbanceComputer Science Applications1707 Computer Vision and Pattern RecognitionGeneral MedicineComputer Science ApplicationsHuman-Computer InteractionAttitudevirtual realityFemalePerceptionallocentric; body image; body image disturbance; body size estimation; virtual reality; Social Psychology; Communication; Applied Psychology; Human-Computer Interaction; Computer Science Applications1707 Computer Vision and Pattern RecognitionPsychologyM-PSI/01 - PSICOLOGIA GENERALE030217 neurology & neurosurgeryCognitive psychology
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Cerebellar Contribution to Mental Rotation: a cTBS Study

2013

A cerebellar role in spatial information processing has been advanced even in the absence of physical manipulation, as occurring in mental rotation. The present study was aimed at investigating the specific involvement of left and right cerebellar hemispheres in two tasks of mental rotation. We used continuous theta burst stimulation to downregulate cerebellar hemisphere excitability in healthy adult subjects performing two mental rotation tasks: an Embodied Mental Rotation (EMR) task, entailing an egocentric strategy, and an Abstract Mental Rotation (AMR) task entailing an allocentric strategy. Following downregulation of left cerebellar hemisphere, reaction times were slower in comparison…

AdultMalemedicine.medical_specialtyCerebellumNeurologyRotationmedicine.medical_treatmentCTBSStimulationctbsStimulus (physiology)behavioral disciplines and activitiesFunctional LateralityMental rotationNOYoung AdultMental ProcessesMENTAL ROTATIONCerebellumCerebellar hemisphereReaction TimemedicineHumansAnalysis of VarianceSettore M-PSI/02 - Psicobiologia E Psicologia Fisiologicaallocentric-egocentric strategy; mental rotation; ctbs; cerebellumTranscranial Magnetic StimulationTranscranial magnetic stimulationmedicine.anatomical_structureallocentric-egocentric strategyNeurologyTMSFemaleNeurology (clinical)PsychologyNeurosciencePsychomotor PerformanceCognitive psychologyThe Cerebellum
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Eye position tunes the contribution of allocentric and egocentric information to target localization in human goal-directed arm movements.

1997

Subjects were required to point to the distant vertex of the closed and the open configurations of the Muller-Lyer illusion using either their right hand (experiment 1) or their left hand (experiment 2). In both experiments the Muller-Lyer figures were horizontally presented either in the left or in the right hemispace and movements were executed using either foveal or peripheral vision of the target. According to the illusion effect, subjects undershot and overshot the vertex location of the closed and the open configuration, respectively. The illusion effect decreased when the target was fixated and when the stimulus was positioned in the right hemispace. These results confirm the hypothe…

Adultright cerebral hemisphereEye Movementsmedia_common.quotation_subjectArm; psychomotor performance; illusions; dominance cerebral; video recording; eye movements; adult; humansIllusionVideo RecordingPoison controlStimulus (physiology)dominanceSettore BIO/09FovealPerceptionHumansComputer visioneye positionDominance Cerebralpointing kinematicsmedia_commonCommunicationbusiness.industryGeneral NeuroscienceMüller-Lyer illusionBody movementIllusionsPeripheral visionArmcerebralegocentric and allocentric frame of referenceArtificial intelligenceMuller-Lyer illusionPsychologybusinessPsychomotor PerformanceNeuroscience letters
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