a wide array of pitches to which an individual might be partially or completely insensitive, even though they are capable of interpreting tones on either side of the gap.

TONAL GAP: "The tonal gap she is experiencing has left both doctors dumbfounded an wondering if the problem couldn't be neurological."
Cite this page: N., Pam M.S., "TONAL GAP," in, April 29, 2013, (accessed March 28, 2020).