Filters








51 Hits in 12.2 sec

Spatial cognition: evidence from visual neglect

Peter W. Halligan, Gereon R. Fink, John C. Marshall, Giuseppe Vallar
2003 Trends in Cognitive Sciences  
of local and global processing (involving selective attention and conscious awareness) and the assignment of relevant spatial frames of reference prior to recognition and naming.  ...  Many of the symptoms traditionally ascribed to left neglect share little in common other than a contra-lesional gradient of increasing impairment, with comparatively well -preserved performance on the  ...  References  ... 
doi:10.1016/s1364-6613(03)00032-9 pmid:12639694 fatcat:yas4rjkn3zdqdlgwnap5n2mpby

Functional and Structural Architectures of Allocentric and Egocentric Spatial Coding in Aging: A Combined DTI and fMRI Study

Abiot Y. Derbie, Bolton K. H. Chau, Chetwyn C. H. Chan
2022 Frontiers in Neurology  
This study suggested that functional connections of the FPAN with near and far task-relevant nodes vary significantly with age and conditions.  ...  Allocentric task-modulated connectivity of the fronto-parietal network (FPN) and dorsal attention network (DAN) with the temporal lobe was influenced by the aging differences of the white-matter tracts  ...  Egocentric and allocentric spatial reference frames in aging: A systematic review. Neurosci Biobehav Rev.  ... 
doi:10.3389/fneur.2021.802975 pmid:35153982 pmcid:PMC8831882 fatcat:pgpv6d4txja4biolfm7l33dqlu

Shifts of visuospatial attention do not cause the spatial distortions of the Roelofs effect

B. D. Lester, P. Dassonville
2013 Journal of Vision  
When a visible frame is offset left or right of an observer's objective midline, subjective midline is pulled toward the frame's center, resulting in an illusion of perceived space known as the Roelofs  ...  If shifts of attention cause the Roelofs effect, the probe's perceived location should vary with the locus of attention.  ...  Acknowledgments We thank Ed Awh and Ed Vogel for the helpful comments that they provided during the course of this study.  ... 
doi:10.1167/13.12.4 pmid:24105425 fatcat:36e5xtozlbalxhqeio6rhfy5te

Do we have independent visual streams for perception and action?

Thomas Schenk, Robert D. McIntosh
2010 Cognitive Neuroscience  
In particular, there is a class of illusions, brought about by distortions of the observer's egocentric reference frame, that can cause perception-action dissociations without Abstract: Interest in ventral  ...  Abstract: Since the publication of Milner and Goodale's perception-action model of visual processing, there has been a general tendency to attribute any dissociation in the performance of perceptual and  ...  ACKNOWLEDGMENTS The authors are grateful for financial support from the Medical Research Council (UK) and the Canadian Institutes of Health Research.  ... 
doi:10.1080/17588920903388950 pmid:24168245 fatcat:zmnouyqjdvewbd6h32hcrxmr6u

Neuroimaging the Consciousness of Self: Review, and Conceptual-Methodological Framework

Paul Frewen, Matthias L. Schroeter, Giuseppe Riva, Pietro Cipresso, Beth Fairfield, Caterina Padulo, Andrew Haddon Kemp, Lena Palaniyappan, Mayowa Owolabi, Kwabena Kusi-Mensah, Maryna Polyakova, Nick Fehertoi (+3 others)
2020 Neuroscience and Biobehavioral Reviews  
Our discussion is partly guided by William James' original writings on the consciousness of self.  ...  We review neuroimaging research investigating self-referential processing (SRP), that is, how we respond to stimuli that reference ourselves, prefaced by a lexical-thematic analysis of words indicative  ...  Acknowledgments PF has been supported by the Canadian Institutes for Health Research, Canadian Department of National Defense, and Veteran's Affairs Canada during the preparation of this article.  ... 
doi:10.1016/j.neubiorev.2020.01.023 pmid:31996300 fatcat:eo5u3nylzrdw7nboyxxphjapny

The Differential Effects of Acute Right- vs. Left-Sided Vestibular Deafferentation on Spatial Cognition in Unilateral Labyrinthectomized Mice

Thanh Tin Nguyen, Gi-Sung Nam, Jin-Ju Kang, Gyu Cheol Han, Ji-Soo Kim, Marianne Dieterich, Sun-Young Oh
2021 Frontiers in Neurology  
Sequential bipolar GVS when the cathode (stimulating) was assigned to the lesion side accelerated recovery for UVD-induced spatial cognition, which may have implications for managing the patients with  ...  This study aimed to investigate the disparity in locomotor and spatial memory deficits caused by left- or right-sided unilateral vestibular deafferentation (UVD) using a mouse model of unilateral labyrinthectomy  ...  Performing allocentric visuospatial judgments with induced distortion of the egocentric reference frame: an fMRI study with clinical implications. Neuroimage.  ... 
doi:10.3389/fneur.2021.789487 pmid:34956067 pmcid:PMC8692718 fatcat:am2gn3edxzhgbp7ekkgosgrzum

Abstracts Presented at the International Neuropsychological Society, the Swiss Neuropshchological Society (SVNP), and the German Neuropsychological Society (GNP) Meeting, July 26–30, 2006, Zurich, Switzerland

2006 Journal of the International Neuropsychological Society  
The Neural Basis of the Egocentric and Allocentric Spatial Frame of Reference.  ...  , allocentric) references to describe spatial feature of the context.  ...  performance of the clinical group in comparison to healthy controls.  ... 
doi:10.1017/s1355617706069955 fatcat:weo5fxgnqja2tlehcvrqmenrqe

Final Program Forty Second Annual Meeting International Neuropsychological Society February 12–15, 2014 Seattle, Washington, USA

2014 Journal of the International Neuropsychological Society  
effectiveness studies, and the goals of each phase  ...  While n-of-1 designs will be touched on, most of the workshop content will focus on group studies.  ...  Visual attention consists of an egocentric (body-directed) and an allocentric (object-directed) component.  ... 
doi:10.1017/s1355617714000381 pmid:24666775 fatcat:6bwv7b2wjjez3beb3z5bryms6i

Somatosensory processes subserving perception and action

H. Chris Dijkerman, Edward H. F. de Haan
2007 Behavioral and Brain Sciences  
We use tactile input to localize and experience the various qualities of touch, and proprioceptive information to determine the position of different parts of the body with respect to each other, which  ...  Neuroanatomical studies suggest parallel processing as well as serial processing within the cerebral somatosensory system that reflect these separate functions, with one processing stream terminating in  ...  They attributed the improved performance to a shift from the egocentric towards the allocentric reference frame during the delay period.  ... 
doi:10.1017/s0140525x07001392 pmid:17705910 fatcat:oaas3qlud5dk5dld6fxbt5cm5e

Contributions of Body-Orientation to Mental Ball Dropping Task During Out-of-Body Experiences

Ege Tekgün, Burak Erdeniz
2022 Frontiers in Integrative Neuroscience  
Thus, in the present study, 30 participants (within group design) experienced a full-body ownership illusion (synchronous visuo-tactile stimulation only) induced with a gender-matched full-body virtual  ...  At the beginning of the experiment, participants performed a mental ball dropping (MBD) task, seen from the location of their virtual avatar, to provide a baseline measurement.  ...  Egocentric and allocentric reference frames for catching a falling object. Exp.  ... 
doi:10.3389/fnint.2021.781935 pmid:35058754 pmcid:PMC8764241 fatcat:o5fikhukvrherpaok2izpxmmte

Final Program, The 2012 International Neuropsychological Society Mid-Year Meeting/11th Nordic Meeting in Neuropsychology June 27–30, 2012 Oslo, Norway

2012 Journal of the International Neuropsychological Society  
and clinical neuropsychology.  ...  The problems of inattentiveness, over-activity and impulsivity are the defining features in current diagnostic manuals but a clear understanding of the core symptoms or their origin is still lacking.  ...  One part of knowing one's own mind is knowing about one's own performance. So far no studies have looked at the judgments of performance or the certainty of these judgments in children with ASD.  ... 
doi:10.1017/s1355617712001063 fatcat:hvqdxc6a5jb6rfbhapoem4q72i

Joint Meeting of the FESN (Federation of the European Societies of Neuropsychology)/GNP (Gesellschaft für Neuropsychologie) September 12–14, 2013, Berlin, Germany

2013 Behavioural Neurology  
Although most studies describe the deficit in terms of egocentric coordinates, several cases of patients have been described with a deficit at the level of allocentric (or intrinsic) coordinates.  ...  from an egocentric perspective.  ...  This is a case study of a right handed 65-year-old woman with an anaplastic astrocytoma grade III in the superior frontal cortex with intra-axial extensions to the corpus callosum.  ... 
doi:10.1155/2013/976782 fatcat:xln76cklwzhvne2ry4fwxm4jzm

Joint Meeting of the FESN (Federation of the European Societies of Neuropsychology)/GNP (Gesellschaft für Neuropsychologie) September 12-14, 2013, Berlin, Germany

2013 Behavioural Neurology  
Although most studies describe the deficit in terms of egocentric coordinates, several cases of patients have been described with a deficit at the level of allocentric (or intrinsic) coordinates.  ...  from an egocentric perspective.  ...  This is a case study of a right handed 65-year-old woman with an anaplastic astrocytoma grade III in the superior frontal cortex with intra-axial extensions to the corpus callosum.  ... 
doi:10.3233/ben-139900 pmid:28149002 pmcid:PMC5215690 fatcat:f4olin3ogfg7zlznht4ryjbtym

Final Program, Thirty-Sixth Annual Meeting International Neuropsychological Society, February 6-9, 2008, Waikoloa, Hawaii, USA

2008 Journal of the International Neuropsychological Society  
C Co on nc cl lu us si io on ns s: : Discussion includes analysis of the neural circuitry required for allocentric and egocentric perspective processing and its status in the aging population at genetic  ...  Their performance on the mental manipulation of the numerals correlated significantly with performance on visuospatial tasks. The pattern of PD performance was significantly different for RPD vs.  ...  P Pa ar rt ti ic ci ip pa an nt ts s a an nd d M Me et th ho od ds s: : A clinically referred group of children with ASD (N=26) were administered a test battery including measures of intellectual ability  ... 
doi:10.1017/s1355617708080429 fatcat:7cinmclodjdjdfwakkdssx2iiy

166 Attentional capture and oculomotor control

Arthur F. Kramer, Sowon Hahn, David E. Irwin, Jan Theeuwes
1998 International Journal of Psychophysiology  
Interestingly, hemispatial neglect, a polymodal disturbance of the egocentric frame of reference in humans, is often found after damage to inferior parietal cortex.  ...  Prior studies showed that performance for 3J2C (three frames of J followed by two frames of C, 14 ms frame À1 ) is better than for 2C alone.  ... 
doi:10.1016/s0167-8760(98)90166-0 fatcat:7o5vmrk5zvbizd23bmpcbkrs7q
« Previous Showing results 1 — 15 out of 51 results