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Download as PDF; Printable version; In other projects ... A list of 'effects' that have been noticed in the field of psychology. [clarification needed] Ambiguity ...
Traditionally, pupil measurements have been performed in a subjective manner by using a penlight or flashlight to manually evaluate pupil reactivity (sPLR, "s" stands for standard) and using a pupil gauge to estimate pupil size. However, manual pupillary assessment is subject to significant inaccuracies and inconsistencies.
Microsaccades are a kind of fixational eye movement.They are small, jerk-like, involuntary eye movements, similar to miniature versions of voluntary saccades.They typically occur during prolonged visual fixation (of at least several seconds), not only in humans, but also in animals with foveal vision (primates, cats, dogs etc.).
Functional fixedness is a cognitive bias that limits a person to use an object only in the way it is traditionally used. The concept of functional fixedness originated in Gestalt psychology, a movement in psychology that emphasizes holistic processing.
Download as PDF; Printable version; ... the light falls on the centre of the right pupil, ... and will be symmetrical in an individual with normal fixation.
Transsaccadic memory is the neural process that allows humans to perceive their surroundings as a seamless, unified image despite rapid changes in fixation points. Transsaccadic memory is a relatively new topic of interest in the field of psychology.
Light from a single point of a distant object and light from a single point of a near object being brought to a focus. The accommodation reflex (or accommodation-convergence reflex) is a reflex action of the eye, in response to focusing on a near object, then looking at a distant object (and vice versa), comprising coordinated changes in vergence, lens shape (accommodation) and pupil size.
For example, when taking part in an experiment involving the n-back task, a correlation was observed between those with higher dilation, due to pupillary response, and improved performance. Conversely, other studies show the opposite relationship, where higher pupillary dilation is associated with lower task performance. [ 4 ]