John B. Siegfried, PhD
Professor
jsiegfried@salus.edu
Education:
- BA Psychology, The University of
Rochester, 1960
- MS, PhD, Brown University, 1962, 1967
Role at Salus University:
- Professor of
Physiological Optics
Selected
Representative Publications:
- Shan Y, Moster
ML, Roemer RA, Siegfried J Abnormal function of the
parvocellular visual system in anisometropic amblyopia. J Ped
Ophthalmol Strab 2000 (In press).
- Miki A, Liu GT,
Goldsmith ZG, Siegfried J, Hulvershorn J, Raz J, Haselgrove JC
Effect of check size on visual cortex activation studied by
functional MRI. ARVO 2000.
- Schanel-Klitsch
ES, Siegfried JB High-frequency wavelets in early infancy.
Infant Beh Develop 1987, 10, 321-336.
- Siegfried JB
Digital vs analog filtering of electrophysiological data
utilizing microprocessors. Doc Ophthalmologica Proc Ser 1983,
37, 247-252.
- Whittaker SG,
Siegfried JB Origins of wavelets in the VEP. EEG J 1983, 55,
91-101.
- Press LJ,
Cummings RW, Siegfried JB, Altman B Electrodiagnostic testing
of visually impaired children under sedation. J Vis Impair
Blindness 1982, 76, 129-132.
- Siegfried JB,
Lukas J Early wavelets in the VECP. Investig Ophthalmol Vis
Sci 1981, 20, 125-129.
- May JG, Harter
MR, Siegfried JB Electrophysiological and psychophysical
measures of interocular suppression. Psychophysiol 1981, 18,
26-31.
- May JG, Cullen
JK, Moskowitz-Cook AF, Siegfried JB The effects of meridional
variations on steady-state visual evoked potentials. Vis Res
1979, 18, 1395-1401.
- Siegfried JB
VECP: its spectral sensitivity. In BR Wooten, JC Armington, J
Krauskopf (Eds), Visual Psychophysics: Its Physiological
Bases; New York: Academic Press, 1978.
- Siegfried JB
Spectral sensitivity of human visual evoked cortical
potentials: a new method and a comparison with psychophysical
data. Vis Res 1971, 11, 405-417.
- Siegfried JB,
Tepas DI, Sperling, HG, Hiss RA Evoked brain correlates of
psychophysical responses: heterochromatic brightness matching.
Science 1965, 149, 321-323.
- Boynton RM,
Siegfried JB Psychophysical estimates of on-responses to brief
light flashes. J opt Soc Amer 1962, 52, 720-721.
Professional
Honors and Activities:
- Ad
hoc reviewer for several professional journals.
Clinical
Specialty:
- Clinical
electrophysiology, Color vision, Contrast sensitivity, Thresholds.
Research
Activities:
- Non-invasive clinical electrophysiological assessment of visual
acuity, and a comparison of the right and left visual pathways in very young children.