A. R. Aron, L. Watkins, B. J. Sahakian, S. Monsell, R. A. Barker et al., Task-Set Switching Deficits in Early-Stage Huntington's Disease: Implications for Basal Ganglia Function, Journal of Cognitive Neuroscience, vol.3, issue.5, pp.629-642, 2003.
DOI : 10.1097/00005072-199805000-00001

A. C. Bachoud-lévi, P. Maison, P. Bartolomeo, M. F. Boisse, D. Barba et al., Retest effects and cognitive decline in longitudinal follow-up of patients with early HD, Neurology, vol.56, issue.8, pp.56-1052, 2001.
DOI : 10.1212/WNL.56.8.1052

A. C. Bachoud-lévi, P. Rémy, J. P. Nguyen, P. Brugì-eres, J. P. Lefaucheur et al., Motor and cognitive improvements in patients with Huntington's disease after neural transplantation, The Lancet, vol.356, issue.9246, pp.356-1975, 2000.
DOI : 10.1016/S0140-6736(00)03310-9

K. A. Bamford, E. D. Caine, D. K. Kido, C. Cox, and I. Shoulson, A prospective evaluation of cognitive decline in early Huntington's disease: Functional and radiographic correlates, Neurology, vol.45, issue.10, pp.1867-1873, 1995.
DOI : 10.1212/WNL.45.10.1867

A. N. Barr, W. J. Heinze, G. D. Dobben, G. E. Valvassori, and O. Sugar, Bicaudate index in computerized tomography of Huntington disease and cerebral atrophy, Neurology, issue.11, pp.28-1196, 1978.

P. Bartolomeo, C. Decaix, and E. Siéroff, The phenomenology of endogenous orienting, Consciousness and Cognition, vol.16, issue.1, pp.144-161, 2007.
DOI : 10.1016/j.concog.2005.09.002
URL : https://hal.archives-ouvertes.fr/inserm-00000087

P. Bartolomeo, E. Siéroff, C. Decaix, and S. Chokron, Modulating the attentional bias in unilateral neglect: The effects of the strategic set, Experimental Brain Research, vol.137, issue.34, pp.424-431, 2001.

P. Bartolomeo, N. Zieren, R. Vohn, B. Dubois, and W. Sturm, Neural correlates of primary and reflective consciousness of spatial orienting, Neuropsychologia, vol.46, issue.1, 2007.
DOI : 10.1016/j.neuropsychologia.2007.07.005
URL : https://hal.archives-ouvertes.fr/inserm-00271636

T. Blekher, S. A. Johnson, J. Marshall, K. White, S. Hui et al., Saccades in presymptomatic and early stages of Huntington disease, Neurology, vol.67, issue.3, pp.67-394, 2006.
DOI : 10.1212/01.wnl.0000227890.87398.c1

J. Brandt, Cognitive impairments in Huntington's disease: Insights into the neuropsychology of striatum, Handbook of neuropsychology, pp.241-264, 1991.

M. Corbetta and G. L. Shulman, Control of goal-directed and stimulusdriven attention in the brain, Nature Reviews Neuroscience, vol.3, issue.3, pp.201-215, 2002.

G. Douaud, V. Gaura, M. Ribeiro, F. Lethimonnier, R. Maroy et al., Distribution of grey matter atrophy in Huntington???s disease patients: A combined ROI-based and voxel-based morphometric study, NeuroImage, vol.32, issue.4, pp.1562-1575, 2006.
DOI : 10.1016/j.neuroimage.2006.05.057

J. Fan, B. D. Mccandliss, J. Fossella, J. I. Flombaum, and M. I. Posner, The activation of attentional networks, NeuroImage, vol.26, issue.2, pp.471-479, 2005.
DOI : 10.1016/j.neuroimage.2005.02.004

J. Fielding, N. Georgiou-karistianis, J. Bradshaw, L. Millist, A. Churchyard et al., Accelerated time-course of inhibition of return in Huntington's disease, Behavioural Brain Research, vol.166, issue.2, pp.211-219, 2006.
DOI : 10.1016/j.bbr.2005.08.004

J. Fielding, N. Georgiou-karistianis, L. Millist, and O. White, Temporal variation in the control of goal-directed visuospatial attention in basal ganglia disorders, Neuroscience Research, vol.54, issue.1, pp.57-65, 2006.
DOI : 10.1016/j.neures.2005.10.007

G. R. Fink, J. C. Marshall, P. H. Weiss, I. Toni, and K. Zilles, Task instructions influence the cognitive strategies involved in line bisection judgements: Evidence from modulated neural mechanisms revealed by fMRI, Neuropsychologia, issue.2, pp.40-119, 2002.

N. Georgiou, J. L. Bradshaw, J. G. Phillips, and E. Chiu, Effect of directed attention in Huntington's disease, Journal of Clinical and Experimental Neuropsychology, vol.7, issue.3, pp.367-377, 1997.
DOI : 10.1016/0022-3956(82)90033-4

N. Georgiou-karistianis, A. Churchyard, E. Chiu, and J. Bradshaw, Reorientation of attention in Huntington disease, Neuropsychiatry, Neuropsychology and Behavioral Neurology, vol.15, issue.4, pp.225-231, 2002.

D. R. Gitelman, A. C. Nobre, T. B. Parrish, K. S. Labar, Y. Kim et al., A large-scale distributed network for covert spatial attention: Further anatomical delineation based on stringent behavioural and cognitive controls, Brain, vol.122, issue.6, pp.122-1093, 1999.
DOI : 10.1093/brain/122.6.1093

C. V. Golding, C. Danchaivijitr, T. L. Hodgson, S. J. Tabrizi, and C. Kennard, Identification of an oculomotor biomarker of preclinical Huntington disease, Neurology, vol.67, issue.3, pp.67-485, 2006.
DOI : 10.1212/01.wnl.0000218215.43328.88

A. K. Ho, T. Manly, P. J. Nestor, B. J. Sahakian, T. H. Bak et al., A Case of Unilateral Neglect in Huntington?s Disease, Neurocase, vol.9, issue.3, pp.261-273, 2003.
DOI : 10.1076/neur.9.3.261.15559

A. K. Ho, P. J. Nestor, G. B. Williams, J. L. Bradshaw, B. J. Sahakian et al., Pseudo-neglect in Huntington???s disease correlates with decreased angular gyrus density, NeuroReport, vol.15, issue.6, pp.15-1061, 2004.
DOI : 10.1097/00001756-200404290-00026

A. K. Ho, B. J. Sahakian, R. G. Brown, R. A. Barker, J. R. Hodges et al., Profile of cognitive progression in early Huntington's disease, Neurology, vol.61, issue.12, pp.61-1702, 2003.
DOI : 10.1212/01.WNL.0000098878.47789.BD

H. Study and G. , Unified Huntington's Disease Rating Scale: Reliability and consistency. Movements Disorders, pp.136-142, 1996.

J. Jonides, Voluntary versus automatic control over the mind's eye's movement, Attention and performance IX, pp.187-283, 1981.

J. Kassubek, L. G. Bernhard, D. Ecker, F. D. Juengling, R. Muche et al., Global cerebral atrophy in early stages of Huntington??s disease: quantitative MRI study, NeuroReport, vol.15, issue.2, pp.363-365, 2004.
DOI : 10.1097/00001756-200402090-00030

J. Kassubek, W. Gaus, and G. B. Landwehrmeyer, Evidence for more widespread cerebral pathology in early HD: An MRI-based morphometric analysis, Neurology, vol.62, issue.3, pp.523-524, 2004.
DOI : 10.1212/WNL.62.3.523-a

J. Kassubek, F. D. Juengling, T. Kioschies, K. Henkel, J. Karitzky et al., Topography of cerebral atrophy in early Huntington's disease: A voxel based morphometric MRI study, Journal of Neurology Neurosurgery and Psychiatry, vol.75, pp.213-220, 2004.

C. M. Kipps, A. J. Duggins, N. Mahant, L. Gomes, J. Ashburner et al., Progression of structural neuropathology in preclinical Huntington's disease: a tensor based morphometry study, Journal of Neurology, Neurosurgery & Psychiatry, vol.76, issue.5, pp.650-655, 2005.
DOI : 10.1136/jnnp.2004.047993

R. M. Klein and D. I. Shore, Relations among modes of visual orienting Attention & performance XVIII: Control of cognitive processes Cambridge, pp.195-208, 2000.

K. W. Lange, B. J. Sahakian, N. P. Quinn, C. D. Marsden, and T. W. Robbins, Comparison of executive and visuospatial memory function in Huntington's disease and dementia of Alzheimer type matched for degree of dementia., Journal of Neurology, Neurosurgery & Psychiatry, vol.58, issue.5, pp.598-606, 1995.
DOI : 10.1136/jnnp.58.5.598

A. G. Lasker and D. S. Zee, Ocular motor abnormalities in Huntington's disease, Vision Research, vol.37, issue.24, pp.3639-3645, 1997.
DOI : 10.1016/S0042-6989(96)00169-1

B. J. Losier and R. M. Klein, A review of the evidence for a disengage deficit following parietal lobe damage, Neuroscience & Biobehavioral Reviews, vol.25, issue.1, pp.1-13, 2001.
DOI : 10.1016/S0149-7634(00)00046-4

J. Lupiáñez, C. Decaix, E. Siéroff, S. Chokron, B. Milliken et al., Independent effects of endogenous and exogenous spatial cueing: inhibition of return at endogenously attended target locations, Experimental Brain Research, vol.22, issue.4, pp.447-457, 2004.
DOI : 10.1007/s00221-004-1963-5

J. Lupiáñez, R. M. Klein, and P. Bartolomeo, Inhibition of return: Twenty years after, Cognitive Neuropsychology, vol.43, issue.7, pp.1003-1014, 2006.
DOI : 10.1080/02643290600588400

S. Mattis, Mental status examination for organic mental syndrome in the elderly patient, Geriatric psychiatry, 1976.

A. Montoya, B. H. Price, M. Menear, and M. Lepage, Brain imaging and cognitive dysfunctions in Huntington's disease, Journal of Psychiatry and Neuroscience, issue.1, pp.31-52, 2006.

M. Mühlau, C. Gaser, A. M. Wohlschläger, A. Weindl, M. Städtler et al., Striatal gray matter loss in Huntington's disease is leftward biased, Movement Disorders, vol.12, issue.8, pp.22-1169, 2007.
DOI : 10.1002/mds.21137

H. J. Müller and P. M. Rabbitt, Reflexive and voluntary orienting of visual attention: Time course of activation and resistance to interruption., Journal of Experimental Psychology: Human Perception and Performance, vol.15, issue.2, pp.315-330, 1989.
DOI : 10.1037/0096-1523.15.2.315

J. Paulsen, J. L. Zimbelman, S. C. Hinton, D. R. Langbehn, C. L. Leveroni et al., fMRI biomarker of early neuronal dysfunction in presymptomatic Huntington's Disease, American Journal of Neuroradiology, vol.25, pp.1715-1721, 2004.

M. I. Posner, Orienting of attention, Quarterly Journal of Experimental Psychology, vol.197, issue.1, pp.3-25, 1980.
DOI : 10.1080/00335558008248231

M. I. Posner and Y. Cohen, Components of visual orienting, Attention and performance X, pp.531-556, 1984.

M. I. Posner, Y. Cohen, and R. D. Rafal, Neural Systems Control of Spatial Orienting, Philosophical Transactions of the Royal Society B: Biological Sciences, vol.298, issue.1089, pp.298-187, 1089.
DOI : 10.1098/rstb.1982.0081

M. I. Posner, R. D. Rafal, L. S. Choate, and J. Vaughan, Inhibition of return: Neural basis and function, Cognitive Neuropsychology, vol.55, issue.3, pp.211-228, 1985.
DOI : 10.1080/02643298508252866

M. I. Posner, J. A. Walker, F. J. Friedrich, and R. D. Rafal, Effects of parietal injury on covert orienting of attention, Journal of Neuroscience, vol.4, pp.1863-1874, 1984.

G. W. Rebok, F. W. Bylsma, P. M. Keyl, J. Brandt, and E. Folstein, Automobile driving in Huntington's disease, Movement Disorders, vol.9, issue.6, pp.778-787, 1995.
DOI : 10.1002/mds.870100611

H. D. Rosas, J. Goodman, Y. I. Chen, B. G. Jenkins, D. N. Kennedy et al., Striatal volume loss in HD as measured by MRI and the influence of CAG repeat, Neurology, vol.57, issue.6, pp.1025-1028, 2001.
DOI : 10.1212/WNL.57.6.1025

E. Siéroff, C. Decaix, S. Chokron, and P. Bartolomeo, Impaired orienting of attention in left unilateral neglect: A componential analysis., Neuropsychology, vol.21, issue.1, pp.94-113, 2007.
DOI : 10.1037/0894-4105.21.1.94

J. Snowden, D. Craufurd, H. Griffiths, J. Thompson, and D. Neary, Longitudinal evaluation of cognitive disorder in Huntington's disease, Journal of the International Neuropsychological Society, vol.7, issue.1, pp.33-44, 2001.
DOI : 10.1017/S1355617701711046

R. Sprenglemeyer, H. Lange, and V. Hömberg, The pattern of attentional deficits in Huntington's disease, Brain, vol.118, issue.1, pp.145-152, 1995.
DOI : 10.1093/brain/118.1.145

P. Sumner, Inhibition versus attentional momentum in cortical and collicular mechanisms of IOR, Cognitive Neuropsychology, vol.43, issue.7, pp.1035-1048, 2006.
DOI : 10.1364/JOSAA.12.000456

M. Thiebaut-de-schotten, M. Urbanski, H. Duffau, E. Volle, R. Lévy et al., Direct Evidence for a Parietal-Frontal Pathway Subserving Spatial Awareness in Humans, Science, vol.309, issue.5744, pp.309-2226, 2005.
DOI : 10.1126/science.1116251
URL : https://hal.archives-ouvertes.fr/inserm-00000088

M. J. Thieben, A. J. Duggins, C. D. Good, N. Mahant, F. Richards et al., The distribution of structural neuropathology in pre-clinical Huntington's disease, Brain, vol.125, issue.8, pp.1815-1828, 2002.
DOI : 10.1093/brain/awf179

T. Tsai, A. Lasker, and D. S. Zee, Visual attention in huntington's disease: The effect of cueing on saccade latencies and manual reaction times, Neuropsychologia, vol.33, issue.12, pp.33-1617, 1995.
DOI : 10.1016/0028-3932(95)00094-1

J. P. Vonsattel, R. H. Myers, T. J. Stevens, R. J. Ferrante, E. D. Bird et al., Neuropathological Classification of Huntington??s Disease, Journal of Neuropathology and Experimental Neurology, vol.44, issue.6, pp.559-577, 1985.
DOI : 10.1097/00005072-198511000-00003

C. T. Winograd-gurvich, N. Georgiou-karistianis, A. Evans, L. Millist, J. L. Bradshaw et al., Hypometric primary saccades and increased variability in visually-guided saccades in Huntington???s disease, Neuropsychologia, vol.41, issue.12, pp.41-1683, 2003.
DOI : 10.1016/S0028-3932(03)00096-4

S. Yantis and J. Jonides, Abrupt visual onsets and selective attention: Voluntary versus automatic allocation., Journal of Experimental Psychology: Human Perception and Performance, vol.16, issue.1, pp.121-134, 1990.
DOI : 10.1037/0096-1523.16.1.121
URL : http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.211.5016