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Cerebral deafness (also known as cortical deafness or central deafness) is a disorder characterized by complete deafness that is the result of damage to the central nervous system. The primary distinction between auditory agnosia and cerebral deafness is the ability to detect pure tones, as measured with pure tone audiometry.
Dual sensory loss is the simultaneous loss of two senses. Research has shown that 6% of non-institutionalized older adults had a dual sensory impairment, and 70% of severely visually impaired older adults additionally suffered from significant hearing loss. [7] Vision and hearing loss both interfere with the interpretation and comprehension of ...
Change deafness is a perceptual phenomenon that occurs when, under certain circumstances, a physical change in an auditory stimulus goes unnoticed by the listener. There is uncertainty regarding the mechanisms by which changes to auditory stimuli go undetected, though scientific research has been done to determine the levels of processing at which these consciously undetected auditory changes ...
Amusia is commonly referred to as tone-deafness, tune-deafness, dysmelodia, or dysmusia. The first documented case of congenital amusia was reported in 2002 by music neuroscientists from the Department of Psychology at the University of Montreal, Canada. The case followed the case of a middle-aged woman who "lacks most basic musical abilities". [9]
Auditory verbal agnosia (AVA), also known as pure word deafness, is the inability to comprehend speech. Individuals with this disorder lose the ability to understand language, repeat words, and write from dictation.
If there is a unilateral lesion to area V4, a loss of color perception in only half of the visual field may result known as hemiachromatopsia. [3] Similar, but distinct, is color agnosia, which involves having difficulty recognizing colors, while still being able to perceive them as measured by a color matching or categorizing task. [12]
Amusia is a musical disorder that appears mainly as a defect in processing pitch but also encompasses musical memory and recognition. [1] Two main classifications of amusia exist: acquired amusia, which occurs as a result of brain damage, and congenital amusia, which results from a music-processing anomaly present since birth.
Neuroplasticity includes our auditory perception. It can be shaped by stimuli from the environment, memory and attentional factors. Neural activities in other brain areas are closely bound up with auditosensory processing in the transverse temporal gyrus. For instance, attention and focus, and face perception have an emphasis on our language ...