Affiliations: | 1958-1963 | | Massachusetts Institute of Technology, Cambridge, MA, United States |
| | 1963-1966 | | University of Pennsylvania, Philadelphia, PA, United States |
| | 1966-1973 | | University of California, San Diego, La Jolla, CA |
| | 1973-1985 | | Harvard University, Cambridge, MA, United States |
| | 1985- | | University of Florida, Gainesville, Gainesville, FL, United States |
Area:
Signal Detection Theory, Auditory psychophysics
Website:
http://asa.aip.org/encomia/gold/green.html
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High-probability grants
According to our matching algorithm, David Marvin Green is the likely recipient of the following grants.
| Years |
Recipients |
Code |
Title / Keywords |
Matching
score |
| 1977 — 1993 |
Green, David [⬀] |
N/AActivity Code Description:
No activity code was retrieved: click on the grant title for more information |
Quantitative Models in Psychophysics
Sensory capabilities can be measured quite precisely by an experimental approach called psychophysics, in which the subject reports whether or not a particular stimulus signal is detectable. Most psychophysical work on human subjects involves visual or auditory stimuli. A variety of precisely quantified stimulus parameters can be varied, and the subject's threshold for detection measured or computed as a probability of correct response. This Accomplishment Based Renewal will investigate a class of psychophysical tests called adaptive procedures, with the goal of improving the efficiency of such tests, which otherwise can require very large numbers of stimulus presentations to obtain reliable results. Many of the new techniques make specific assumptions about the nature of the sensory processes. This work will test these assumptions to see if they are valid, and to see if the new methods may substantially improve the measurement efficiency. Results will have impact on visual and auditory science, and on related areas of work on signal detection processing, and sensory psychology.
|
0.915 |
| 1985 — 1993 |
Green, David M [⬀] |
R01Activity Code Description:
To support a discrete, specified, circumscribed project to be performed by the named investigator(s) in an area representing his or her specific interest and competencies. |
Auditory Discrimination and Masking
We want to study auditory masking, the ability of one sound to make another difficult or impossible to hear. By measuring masking using a variety of artificial (e.g., computer generated) signals, we hope to develop an exact quantitative model of auditory processing, that is, we want to simulate the auditory detection mechanism. Of special interest are temporal effects in masking. How does masking vary with the duration of the signal or the interval between the masker and the signal?
|
1 |
| 1994 — 1995 |
Green, David M [⬀] |
R01Activity Code Description:
To support a discrete, specified, circumscribed project to be performed by the named investigator(s) in an area representing his or her specific interest and competencies. |
Auditory Discrimination of Changes in Spectral Shape
The objective of this research is to understand how the auditory system perceives complex auditory spectra such as speech, music, or other broadband sounds. Experiments are proposed to various auditory spectra. Data from these experiments will provide detailed quantitative models of this process. A successful model of these auditory processes would provide a baseline from which to evaluate deviations from normal hearing that occur in the various hearing pathologies. The particular goal of the present experiments is to understand how the frequency of the components comprising the spectra affect these discriminating judgments. Especially important is to understand how very high frequencies influence these discrimination capacities. When the ear is damaged, either by loud noise or ototoxic drugs, the first noticeable changes occur in the higher frequency regions.
|
1 |