Intensity perception. VI. Summary of recent data on deviations from Weber's law for 1000-Hz tone pulses.
نویسندگان
چکیده
Data from 15 modern studies are used to characterize the deviations from Webcr's law for intensity discrimination of 1000-Hz tone pulses. The results show that Weber's law is satisfied in the region 10-40 dB SL, that resolution descreases with decreasing intensity below 10 dB SL and increases with increasing intensity' above 40 dB SL, and that resolution at 90 dB SL is roughly 2.5 times better than at 40 dB SL.
منابع مشابه
Interactions of forward and simultaneous masking in intensity discrimination.
Intensity coding mechanisms are explored in a paradigm involving both forward and simultaneous masking. For intensity discrimination of 1000-Hz pure tone in quiet, a near-miss to Weber's law is observed. However, as more stimulus components are added to this relatively simple experiment, interactions among components produce a more complex pattern of results. An intense forward masker, while no...
متن کاملAccoustic immitance measures in infants with 226 and 1000 hz probes : correlation with otoacoustic emissions and otoscopy examination Summary
Audi ological evaluation in infants should include the middle ear (immitance measures and otoscopy) and also a cochlear evaluation. Aim: To check which tympanometry tone test (226 Hz or 1000 Hz), transient otoacoustic emissions and otoscopy. Methods: Transient otoacoustic emissions were taken from sixty infants ranging from zero to four months of age. The babies were assigned to two groups of 3...
متن کاملScaling of perceptual errors can predict the shape of neural tuning curves.
Weber's law, first characterized in the 19th century, states that errors estimating the magnitude of perceptual stimuli scale linearly with stimulus intensity. This linear relationship is found in most sensory modalities, generalizes to temporal interval estimation, and even applies to some abstract variables. Despite its generality and long experimental history, the neural basis of Weber's law...
متن کاملLateral inhibition in the auditory cortex: an EEG index of tinnitus?
Auditory ERPs were recorded from eight tinnitus patients and 12 controls. Tone pips of 1000 and 2000 Hz, as well as the patient's tinnitus pitch (around 4000 Hz) were used. Controls received tone pips at 1000, 2000, and 4000 Hz. Tones were presented at 30, 36, 42, 48 and 54 dB/SL. The intensity dependence of the auditory N100 was calculated for each frequency in each group. Patients showed a st...
متن کاملA temporal basis for Weber's law in value perception
Weber's law-the observation that the ability to perceive changes in magnitudes of stimuli is proportional to the magnitude-is a widely observed psychophysical phenomenon. It is also believed to underlie the perception of reward magnitudes and the passage of time. Since many ecological theories state that animals attempt to maximize reward rates, errors in the perception of reward magnitudes and...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
برای دانلود متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید
ثبت ناماگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید
ورودعنوان ژورنال:
- The Journal of the Acoustical Society of America
دوره 59 6 شماره
صفحات -
تاریخ انتشار 1976