نتایج جستجو برای: chronic progressive

تعداد نتایج: 596718  

Journal: :Archives of ophthalmology 2010
Manokaraananthan Chandrakumar Zahra Hirji Herbert C Goltz Giuseppe Mirabella Alan W Blakeman Linda Colpa Agnes M F Wong

OBJECTIVE To investigate whether static ocular counterroll (OCR) gain is reduced during viewing of an earth-fixed vs a head-fixed target. METHODS Twelve healthy individuals were recruited. The target consisted of a red fixation cross against a grid pattern at a viewing distance of 33 cm. The target was mounted on a wall (earth fixed) or was coupled to the head (head fixed). Changes in mean to...

Journal: :Vision Research 2016
Ehud Ahissar Amos Arieli Moshe Fried Yoram Bonneh

During natural viewing large saccades shift the visual gaze from one target to another every few hundreds of milliseconds. The role of microsaccades (MSs), small saccades that show up during long fixations, is still debated. A major debate is whether MSs are used to redirect the visual gaze to a new location or to encode visual information through their movement. We argue that these two functio...

2017
Chien-Huang Lin Ming Chen

In sales, a common promotional tactic is to supplement a required purchase (i.e., a focal product) by offering a free or discounted product (i.e., a supplementary product). The present research examines the contextual factors driving consumer evaluations of the supplementary product after the promotion has been terminated. Two experiments are used to demonstrate that consumers use multiple anch...

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