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BACKGROUND
Different strategies to search and detect prey may place specific demands on sensory modalities. We studied visual field configuration, degree of eye movement, and orbit orientation in… (More)
- Margaret Isabel Hall, Jason M Kamilar, Ellen Kirk
- Proceedings. Biological sciences
- 2012
Most vertebrate groups exhibit eye shapes that vary predictably with activity pattern. Nocturnal vertebrates typically have large corneas relative to eye size as an adaptation for increased visual… (More)
- Bryan A Moore, Jason M Kamilar, +12 authors Esteban Fernández-juricic
- Journal of vision
- 2012
Vertebrates possess different types of retinal specializations that vary in number, size, shape, and position in the retina. This diversity in retinal configuration has been revealed through… (More)
- Jeremy R. Corfield, Anna C. Gsell, +4 authors Andrew N Iwaniuk
- PloS one
- 2011
The shift from a diurnal to nocturnal lifestyle in vertebrates is generally associated with either enhanced visual sensitivity or a decreased reliance on vision. Within birds, most studies have… (More)
- Christopher P. Heesy, Margaret Isabel Hall
- Brain, behavior and evolution
- 2010
Evidence from the early paleontological record of mammalian evolution has often been interpreted as supporting the idea that mammals were nocturnal for most of their early history. Multiple features… (More)
- Andrew N Iwaniuk, Christopher P. Heesy, Margaret Isabel Hall, Douglas R Wylie
- Journal of Comparative Physiology A
- 2007
In mammals, species with more frontally oriented orbits have broader binocular visual fields and relatively larger visual regions in the brain. Here, we test whether a similar pattern of correlated… (More)
- Deborah L O'Connor, Margaret Isabel Hall, Martha Donnelly
- Journal of elder abuse & neglect
- 2009
In 2000, with the implementation of Part III of the Adult Guardianship Act: Support and Assistance for Abused and Neglected Adults, British Columbia formally recognized the need to examine issues of… (More)
- Margaret Isabel Hall
- Journal of anatomy
- 2008
Activity pattern, or the time of day when an animal is awake and active, is highly associated with that animal's ecology. There are two principal activity patterns: diurnal, or awake during the day… (More)
- Jeffrey H Plochocki, Jose Rafael Rodriguez-Sosa, Brent Adrian, Saul A Ruiz, Margaret Isabel Hall
- Clinical anatomy
- 2016
Modern anatomical and surgical references illustrate perineal muscles all innervated by branches of the pudendal nerve but still organized into anatomically distinct urogenital and anal triangles… (More)
In this study, we report findings from a microscopic analysis of the white rhinoceros (Ceratotherium simum) integumentary ultrastructure. Skin samples from the cheek, shoulder, flank and rump were… (More)