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  2. File:Visual Perception Disorders in Children.pdf - Wikipedia

    en.wikipedia.org/wiki/File:Visual_Perception...

    What links here; Upload file; Special pages; Printable version; Page information; Get shortened URL; Download QR code

  3. Attenuation theory - Wikipedia

    en.wikipedia.org/wiki/Attenuation_theory

    Auditory attention is often described as the selection of a channel, message, ear, stimulus, or in the more general phrasing used by Treisman, the "selection between inputs". [8] As audition became the preferred way of examining selective attention, so too did the testing procedures of dichotic listening and shadowing .

  4. Joint attention - Wikipedia

    en.wikipedia.org/wiki/Joint_attention

    A mother and her daughter engaged in joint attention. Joint attention or shared attention is the shared focus of two individuals on an object. It is achieved when one individual alerts another to an object by means of eye-gazing, pointing or other verbal or non-verbal indications. An individual gazes at another individual, points to an object ...

  5. Attention - Wikipedia

    en.wikipedia.org/wiki/Attention

    The zoom-lens of attention can be described in terms of an inverse trade-off between the size of focus and the efficiency of processing: because attention resources are assumed to be fixed, then it follows that the larger the focus is, the slower processing will be of that region of the visual scene, since this fixed resource will be ...

  6. Lea test - Wikipedia

    en.wikipedia.org/wiki/Lea_test

    This test allows for the assessment of grating acuity, especially in children who possess severe or multiple visual deficiencies. The "LEA Gratings Test" has also been shown to be successful in vision testing of children with brain damage and is the only test that can reveal their limited capacity for the processing of large numbers of parallel ...

  7. Simultanagnosia - Wikipedia

    en.wikipedia.org/wiki/Simultanagnosia

    Simultanagnosia (or simultagnosia) is a rare neurological disorder characterized by the inability of an individual to visually perceive more than a single object at a time. . This type of visual attention problem is one of three major components (the others being optic ataxia and optic apraxia) of Bálint's syndrome, an uncommon and incompletely understood variety of severe neuropsychological ...

  8. Steady state visually evoked potential - Wikipedia

    en.wikipedia.org/wiki/Steady_state_visually...

    In neurology and neuroscience research, steady state visually evoked potentials (SSVEPs) are signals that are natural responses to visual stimulation at specific frequencies. When the retina is excited by a visual stimulus ranging from 3.5 Hz to 75 Hz, [ 1 ] the brain generates electrical activity at the same (or multiples of) frequency of the ...

  9. Trail Making Test - Wikipedia

    en.wikipedia.org/wiki/Trail_Making_Test

    The Trail Making Test is a neuropsychological test of visual attention and task switching.It has two parts, in which the subject is instructed to connect a set of 25 dots as quickly as possible while maintaining accuracy. [1]