Tag: neurological hearing loss

November 3, 2025 / Mohammed looti

CORTICAL- EVOKED RESPONSE, CORTICAL HEARING LOSS

Defining Cortical Hearing Loss and Central Auditory Processing Disorders Cortical Hearing Loss (CHL) represents a specific and often challenging form of auditory impairment that is fundamentally correlated with hearing disorders resulting from injury to the superior neurologic areas within the brain, particularly the primary and secondary auditory cortices located in the temporal lobes. Unlike typical […]

November 2, 2025 / Mohammed looti

TONAL GAP

Definition and Phenomenological Description The concept of the tonal gap, sometimes referred to clinically as a scotoma or notch, describes a highly specific auditory deficit characterized by a restricted range of frequencies to which an individual exhibits partial or complete insensitivity. Crucially, the affected person retains normal or near-normal sensitivity to pitches positioned immediately outside […]