| Year | Position | Institution |
| 1976 | Graduate Student | Pennsylvania State University 4 |
| 1977 | Research Assistant And Neurophysiologist | Pennsylvania State University 4 |
| 1978 | Postdoctoral Research Associate | National Institutes Of Health 4 |
| 1979 | National Institutes Of Health 4 | |
| 1980 | National Institutes Of Health 4 |
| Year | Subject | Role |
| 1976 | Grass Fellows | |
| 1977 | Independent | |
| 1978 | Independent | |
| 1979 | Other Research Personnel | |
| 1980 | Independent |
| Year | Location |
| 1977 | national institutes of health |