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The brain pathway that orients visual attention to a stimulus is referred to as the orienting system.There are two main types of visual orientations, covert (exogenous) which occurs when a salient environmental change causes a shift in attention and overt (endogenous) which occurs when the individual makes a conscious decision to orient attention to a stimuli [1] During a covert orientation of ...
Orientation is a function of the mind involving awareness of three dimensions: time, place and person. [1] Problems with orientation lead to dis orientation, and can be due to various conditions. It ranges from an inability to coherently understand person, place, time, and situation, to complete orientation.
Example problem based on Shepard & Metzlar's "Mental Rotation Task": are these two three-dimensional shapes identical when rotated? Mental rotation is the ability to rotate mental representations of two-dimensional and three-dimensional objects as it is related to the visual representation of such rotation within the human mind. [1]
Due to the effect of a spatial context or temporal context, the perceived orientation of a test line or grating pattern can appear tilted away from its physical orientation. The tilt illusion (TI) [ 1 ] is the phenomenon that the perceived orientation of a test line or grating is altered by the presence of surrounding lines or grating with a ...
Two major cue types are used to analyze attention based on the type of visual input. An endogenous cue is presented in the center of the screen, usually at the same place as the center of focus. It is an arrow or other directional cue pointing to the left or right box on the screen. This cue relies on input from the central visual field.
In cognitive science and neuropsychology, executive functions (collectively referred to as executive function and cognitive control) are a set of cognitive processes that support goal-directed behavior, by regulating thoughts and actions through cognitive control, selecting and successfully monitoring actions that facilitate the attainment of chosen objectives.
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Rensink, O'Regan, and Clarke presented a picture, followed by a blank, masking screen, followed by the initial picture with a change. The masking screen acts like a saccadic eye movement. [9] This was a critical contribution to change blindness research because it demonstrated that a change can remain unnoticed with the smallest disruptions.