scholarly journals Visual fields and foraging ecology of Blacksmith Lapwings Vanellus armatus

Ibis ◽  
2019 ◽  
Vol 161 (4) ◽  
pp. 895-900
Author(s):  
Jennifer C. Cantlay ◽  
Steven J. Portugal ◽  
Graham R. Martin
Keyword(s):  
Foraging Ecology ◽  
Visual Fields

scholarly journals Visual Adaptations in Predatory and Scavenging Diurnal Raptors

Diversity ◽  
2020 ◽  
Vol 12 (10) ◽  
pp. 400
Author(s):  
Simon Potier
Keyword(s):  
Prey Capture ◽  
Foraging Ecology ◽  
Visual Fields ◽  
Blind Spot ◽  
Field Of View ◽  
Birds Of Prey ◽  
Ecological Diversity ◽  
Complex Interplay ◽  
Visual Systems ◽  
Central Fovea

Ecological diversity among diurnal birds of prey, or raptors, is highlighted regarding their sensory abilities. While raptors are believed to forage primarily using sight, the sensory demands of scavengers and predators differ, as reflected in their visual systems. Here, I have reviewed the visual specialisations of predatory and scavenging diurnal raptors, focusing on (1) the anatomy of the eye and (2) the use of vision in foraging. Predators have larger eyes than scavengers relative to their body mass, potentially highlighting the higher importance of vision in these species. Scavengers possess one centrally positioned fovea that allows for the detection of carrion at a distance. In addition to the central fovea, predators have a second, temporally positioned fovea that views the frontal visual field, possibly for prey capture. Spatial resolution does not differ between predators and scavengers. In contrast, the organisation of the visual fields reflects important divergences, with enhanced binocularity in predators opposed to an enlarged field of view in scavengers. Predators also have a larger blind spot above the head. The diversity of visual system specializations according to the foraging ecology displayed by these birds suggests a complex interplay between visual anatomy and ecology, often unrelatedly of phylogeny.

Semantic Priming by Pictures in Lexical Decisions in Visual Fields

2010 ◽  
Author(s):  
Linda Netherland ◽  
Daniel J. Schmoller ◽  
Quintino R. Mano ◽  
David C. Osmon
Keyword(s):  
Semantic Priming ◽  
Visual Fields ◽  
Lexical Decisions

Machines, Nations, and Faciality

2019 ◽  
pp. 156-193
Author(s):  
Serguei Alex Oushakine
Keyword(s):  
Elementary School ◽  
School Children ◽  
Industrial Production ◽  
Political Development ◽  
Elementary School Children ◽  
Visual Fields ◽  
Dual Process ◽  
Dual Nature ◽  
Soviet Russia ◽  
Visual Regimes

This article explores illustrated children’s books that were published in Soviet Russia during the first five-year plan (1928–1932). Targeting mostly preschool and elementary school children, these books are creatively illustrated, offering their readers highly detailed accounts of economic and political development in the country. Soviet pedagogues perceived this literature as a tool for training “literate spectators,” able to discern social and political importance of images. The article follows this idea, using the books for tracing visual regimes that represented class and ethnicity in the 1920s–1930s. Picture books for children successfully reflected the dual nature of socialist transformations in the USSR, where building new sites of industrial production were closely linked with the building of new nations. Very early on, this literature also documented the bifurcation of this dual process. The detailed portrayal of ethnic distinctions was paralleled by the visual disappearance of the working class, producing a stream of illustrations in which technology and ethnic groups emerged as self-sufficient visual fields, ostensibly disconnected from class, labor, and history.

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