scholarly journals Spatial distribution of visual attention during childhood

2010 ◽  
Vol 8 (6) ◽  
pp. 416-416
Author(s):  
V. Reis ◽  
R. Ranvaud ◽  
L. H. Canto-Pereira
Keyword(s):  
Spatial Distribution ◽  
Visual Attention

9. Within-Object Attentional Allocation Biases

2017 ◽  
Author(s):  
Natalie McGlynn
Keyword(s):  
Spatial Distribution ◽  
Visual Search ◽  
Visual Attention ◽  
Attentional Bias ◽  
Change Over Time ◽  
Attentional Allocation ◽  
Search Results ◽  
Over Time ◽  
Attention Shifts

This study involved two experiments. The goal of the first was to evaluate how visual attention is distributed spatially within an object, and how a spatial distribution may change over time. We accomplished this by having people press a button as soon as they noticed a target appear at various onset times and locations within an arch-shaped object. In the second experiment, we extended the arch-object and cued one end of it, in order to examine whether attention is biased to follow the shape of an object even if such a mechanism reduces the efficiency of a visual search. Results from the first experiment indicate that initially, there is no attentional bias to any location within an object. However, as looking time increases, a developing bias to the centre of objects occurs before attention adopts a strategic spatial distribution within the object. Results from the second experiment indicate that after attention is captured by a cued area, attention shifts away from the cued location. The path attention takes from the cued area is not constrained within the object. With increased time, however, attention does not move back to the cued location. Therefore, although attention is not constrained to follow the shape of the object one focuses on, it seems that the efficiency of a visual search is still jeopardized due to reluctance for attention to move to previously attended locations.

scholarly journals The spatial distribution of visual attention

2004 ◽  
Vol 44 (12) ◽  
pp. 1273-1296 ◽  
Author(s):  
Joetta L Gobell ◽  
Chia-huei Tseng ◽  
George Sperling
Keyword(s):  
Spatial Distribution ◽  
Visual Attention

scholarly journals MEASURING SPATIAL DISTRIBUTION OF VISUAL ATTENTION IN ACTION VIDEO GAME

2006 ◽  
Vol 6 (2) ◽  
pp. 13-18 ◽  
Author(s):  
Kenji YOKOI ◽  
Katsumi WATANABE ◽  
Ryo KATO ◽  
Takashi KAWAI ◽  
Tadashi SATO ◽  
...  
Keyword(s):  
Spatial Distribution ◽  
Visual Attention ◽  
Video Game ◽  
Action Video Game

Effects of acute alcohol intoxication on visuospatial attention

2007 ◽  
Vol 26 (4) ◽  
pp. 311-319 ◽  
Author(s):  
Luiz Henrique M do Canto-Pereira ◽  
Isabel de PA David ◽  
Walter Machado-Pinheiro ◽  
Ronald D Ranvaud
Keyword(s):  
Spatial Distribution ◽  
Visual Field ◽  
Visual Attention ◽  
Alcohol Intoxication ◽  
Blood Alcohol Concentration ◽  
Reaction Times ◽  
Alcohol Concentration ◽  
Acute Alcohol Intoxication ◽  
Alcohol Group ◽  
Geostatistical Methods

The aim of the present study was to examine the effects of acute alcohol intoxication on the spatial distribution of visual attention measured with simple reaction times (RTs) to targets presented over an extended region of the visual field. Control (n =10) and alcohol groups (n =14) were tested with the same protocol. Participants were tested in two different conditions; in Experiment I, participants were instructed to direct their visual attention to the centre, while in Experiment II they were asked to orient their attention covertly to both right and left, but not to the centre. Throughout participants were required to fixate a small cross in the centre of the computer screen. In the alcohol group, participants received an alcohol dose of 0.4 g/kg so as to produce a blood alcohol concentration (BAC) in the range of 0.08% during the experiments. The spatial distribution of RTs was analysed graphically with geostatistical methods and statistically through analysis of variance of particular regions of the visual field. Results showed that controls were able to direct their attention tightly towards the centre (Expt I) and also to divide attention (Expt II) to the right and left. Participants in the alcohol group fixed their attention more diffusely in the centre (Expt I) and were unable to disengage attention from the centre in Experiment II. We conclude that acute alcohol intoxication impairs the ability to dissociate attention from gaze. Human & Experimental Toxicology (2007) 26, 311-319

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