NDLI: The intensity-difference limen for 6.5 kHz: An even more severe departure from Weber's law

Content Provider	Springer Nature Link
Author	Nizami, Lance
Copyright Year	2006
Abstract	Intensity-difference limens (DLs) were obtained for tones of 6.5 kHz over levels of 30–90 dB SPL. The tones had Gaussian-shaped envelopes whose duration was expressed as equivalent rectangular durationD, that of a rectangle enclosing the same area as the envelope.D ranged from 0.314 to 30 msec. DL behaviors such as the “severe departure from Weber's law,” the “midlevel hump,” or the “midduration hump”—that is, a rise in the DL over a range of short durations—were identified using trend analysis. The DL versus level followed a “severe departure” that increased as duration dropped to D ≈ 1–2 msec. That midlevel hump then fell with further shortening of the tone pip, producing a midduration hump. Materials for this article may be accessed through the Psychonomic Society's Norms, Stimuli, and Data archive, at www.psychonomic.org/archive.
Starting Page	1107
Ending Page	1112
Page Count	6
File Format	PDF
ISSN	00315117
Journal	Perception & Psychophysics
Volume Number	68
Issue Number	7
e-ISSN	15325962
Language	English
Publisher	Springer-Verlag
Publisher Date	2006-01-01
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Cognitive Psychology
Content Type	Text
Resource Type	Article
Subject	Experimental and Cognitive Psychology Sensory Systems Psychology

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The intensity-difference limen for 6.5 kHz: An even more severe departure from Weber's law