title: Manifest latent nystagmus: a case of sensori-motor switching.
abstract: Latent nystagmus (LN) and manifest latent nystagmus (MLN) are closely associated with early visual deprivation and strabismus. In both cases, the eyes oscillate horizontally in an involuntary manner and the fast phases always beat towards the attending or fixing eye. By simultaneously recording eye movements during the dichoptic viewing of dissimilar visual stimuli we present evidence that MLN offers a unique opportunity to examine the nature of sensori-motor switching. In particular, we show how the nystagmus beat direction is strongly influenced by endogenous and exogenous attention. A model describing the possible mechanisms underpinning the sensori-motor switching is proposed.
authors: University of Manchester, Faculty of Life Sciences, Manchester, UK. richard.abadi@manchester.ac.uk
authors: Richard
authors: R
authors: Abadi
authors: Richard
authors: R
authors: Clement
authors: Theofana
authors: T
authors: Theodorou
authors: Columba
authors: C
authors: Scallan
mesh_terms: D001288:Attention / Q000502:physiology; D005403:Fixation, Ocular / Q000502:physiology*; D006801:Humans; D009759:Nystagmus, Pathologic / Q000209:etiology / Q000503:physiopathology*; D012683:Sensory Deprivation; D013285:Strabismus / Q000150:complications; D015348:Vision, Binocular / Q000502:physiology