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Psychological Sciences Faculty

Gerald WassermanGerald Wasserman

Emeritus Professor

Mailing Address:
Department of Psychological Sciences
Purdue University
703 Third Street
West Lafayette, IN 47907-2081 USA

Campus Address:
Psychological Sciences, Room 1228

E-mail: codelab@psych.purdue.edu
Telephone: (765) 494-6928
Website: http://www2.psych.purdue.edu/~codelab/home.html


Degree:
Ph.D. Massachusetts Institute of Technology, 1965

Research in the Sensory Coding Laboratory examines the relation of sensation and perception with the electrical activity of single nerve cells. Some microelectrode and psychophysical experiments have studied color vision, backward visual masking, visual persistence, light adaptation, and brightness coding.

Other experiments applied this basic knowledge toward the design of artificial sense organs surgically fitted to treat human patients afflicted with deafness.

Most recently, we have worked on a retinal correlate of visual attention and its involvement in diagnosing attention disorders.

Patent:

G. S. Wasserman, Sensory Prostheses. United States Patent No. 4,611,596, issued 16 September 1986

Book:

G. S. Wasserman, Color Vision: An Historical Introduction. John Wiley and Sons, New York, 1978. Second printing, 1979.

Research Reports:

G. S. Wasserman. Brightness enhancement in intermittent light: Methods of measurement. Journal of Experimental Psychology, 1966, 72, 300-306.

G. S. Wasserman. Brightness enhancement in intermittent light: Variation of luminance and light-dark ratio. Journal of the Optical Society of America, 1966, 56, 242-250.

G. S. Wasserman. Brightness enhancement and opponent-colors theory. Vision Research, 1966, 6, 689-699.

G. S. Wasserman. Density spectrum of Limulus screening pigment. Journal of General Physiology, 1967, 50, 1075-1077.

G. S. Wasserman. Persistent effects of brief stimuli interacting with the hyperpolarizing response. Physiology and Behavior, 1968, 3, 845-846.

G. S. Wasserman. Heterochromatic additivity failure. Psychological Review, 1969, 76, 221-223.

G. S. Wasserman. Limulus receptor action spectra. Vision Research, 1969, 9, 611-620.

G. S. Wasserman and D. G. Patton. Avoidance conditioning in Limulus. Psychonomic Science, 1969, 15, 143.

G. S. Wasserman. Membrane excitability changes associated with the hyperpolarizing response. Physiology and Behavior, 1970, 5, 601-605.

G. S. Wasserman and C. B. Gillman. Subadditivity and superadditivity of heterochromatic lights. Psychological Review, 1970, 77, 338-342.

G. S. Wasserman and D. G. Patton. Limulus visual threshold obtained from light-elicited unconditioned tail movements. Journal of Comparative and Physiological Psychology, 1970, 73, 111-116.

W. S. Stark and G. S. Wasserman. Transient and receptor potentials in the electroretinogram of Drosophila. Vision Research, 1972, 12, 1771-1775.

W. S. Stark and G. S. Wasserman. Temporal properties of the ERG on-transient recorded in the retina and lamina. Drosophila Information Service, 1972, 49, 63.

G. S. Wasserman. Unconditioned response to light in Limulus: Mediation by lateral, median, and ventral eyes. Vision Research, 1973, 13, 95-105.

G. S. Wasserman. Unconditioned response to light in Limulus: Role of time of day, day of testing, and intertrial interval. Vision Research, 1973, 13, 1203-1206.

G. S. Wasserman. Invertebrate color vision and the tuned receptor paradigm. Science, 1973, 180, 268-275.

W. S. Stark and G. S. Wasserman. Wavelength-specific ERG characteristics of pigmented- and white-eyed strains of Drosophila. Journal of Comparative Physiology, 1974, 91, 427-441.

G. S. Wasserman and K.-L. Kong. Illusory correlation of brightness enhancement and transients in the nervous system. Science, 1974, 184, 911-913.

G. S. Wasserman. Limulus psychophysics: Dark adaptation in the ventral eye. Journal of Experimental Psychology: Human Perception and Performance, 1975, 104, 68-76.

G. S. Wasserman and K.-L. Kong. Temporal summation in a photoreceptor: Dependence on response magnitude. Vision Research, 1975, 15, 1295-1299.

G. S. Wasserman, J. Lo and G. Easland. A modified multiplicative rule describes backward masking in a photoreceptor. Vision Research, 1976, 16, 785-788.

G. S. Wasserman. Limulus psychophysics: Spectral sensitivity of the ventral eye. Journal of Experimental Psychology: General, 1976, 105, 240-253.

K.-L. Kong and G. S. Wasserman. Two linear rules relate the latencies of visual responses to their critical durations. Sensory Processes, 1978, 2, 1-8.

K.-L. Kong and G. S. Wasserman. Temporal summation in the receptor potential of the Limulus lateral eye: Comparison between retinula and eccentric cells. Sensory Processes, 1978, 2, 9-20.

K.-L. Kong and G. S. Wasserman. Changing response measures alters temporal summation in the receptor and spike potentials of the Limulus lateral eye. Sensory Processes, 1978, 2, 21-31.

G. Felsten and G. S. Wasserman. Masking by light in Limulus receptors. Journal of Comparative and Physiological Psychology, 1978, 92, 778-784.

G. S. Wasserman. Limulus psychophysics: Temporal summation in the ventral eye. Journal of Experimental Psychology: General, 1978, 107, 276-286.

G. Easland and G. S. Wasserman. Multiple intracellular contributions to light adaptation in Limulus ommatidia. Vision Research, 1979, 19, 1-8.

G. S. Wasserman. The physiology of color vision. Color Research and Application, 1979, 2, 57-65.

G. S. Wasserman, G. Felsten and G. S. Easland. The psychophysical function: Harmonizing Fechner and Stevens. Science, 1979, 204, 85-87.

G. Felsten and G. S. Wasserman. Masking-induced sensitivity changes in Limulus photoreceptors. Vision Research, 1979, 19, 943-946.

G. S. Wasserman and K.-L. Kong. Absolute timing of mental activities. The Behavioral and Brain Sciences, 1979, 2, 243-255.

G. S. Wasserman. Task-dependent intensity/duration effects in mental chronometry. The Behavioral and Brain Sciences, 1979, 2, 290-299.

G. Felsten and G. S. Wasserman. The photoreceptor sensory code for pattern identification during visual masking. Sensory Processes, 1979, 3, 230-239.

K.-L. Kong, Y. M. Fung and G. S. Wasserman. Filter-mediated color vision with one visual pigment. Science, 1980, 207, 783-786.

G. Felsten and G. S. Wasserman. Visual masking: Mechanisms and theories. Psychological Bulletin, 1980, 88, 329-353.

G. S. Wasserman. Wavelength-dependent enhancement in brain and behavior. Science, 1981, 211, 732-733.

G. S. Wasserman. Limulus psychophysics: Increment threshold in the ventral eye. Perception and Psychophysics, 1981, 29, 251-260.

G. Felsten and G. S. Wasserman. The photoreceptor sensory code for perceived duration during visual masking. Physiological Psychology, 1981, 9, 68-76.

G. S. Wasserman. The physics of light and the physical correlate theory of sensory scaling. The Behavioral and Brain Sciences, 1981, 4, 210-211.

G. S. Wasserman. Cochlear implant codes and speech perception in the profoundly deaf. Bulletin of the Psychonomic Society, 1981, 18, 161-164.

K.-L. Kong and G. S. Wasserman. Wavelength-discrimination behavior in the grasshopper Phlaeoba. Vision Research, 1982, 22, 757-765.

G. S. Wasserman. Temporal summation and stimulus modality. The Behavioral and Brain Sciences, 1982, 5, 278-281.

G. S. Wasserman. Daily and seasonal variations in Limulus visual behavior. Journal of Interdisciplinary Cycle Research, 1983, 14, 173-194.

G. S. Wasserman. Quantal basis of iconic dispersion. The Behavioral and Brain Sciences, 1983, 6, 40-42.

G. S. Wasserman. How do representations get processed in real nerve cells? The Behavioral and Brain Sciences, 1984, 7, 85.

L. T. Wang and G. S. Wasserman. Direct intracellular measurement of nonlinear postreceptor transfer functions in dark and light adaptation in Limulus. Brain Research, 1985, 328, 41-50.

G. S. Wasserman. Neural/mental chronometry and chronotheology. The Behavioral and Brain Sciences, 1985, 8, 556-557.

S. Ross-Farhang, J. L. Gadient, and G. S. Wasserman. Signal detection measures of visual sensitivity in Limulus. In: Proceedings of the International Society for Psychophysics, G. Canevet (Ed.). 1986, International Society for Psychophysics; Stockholm

S.J. Nisly and G. S. Wasserman. Perceived duration, visual persistence, and neural integration. Perception and Psychophysics, 1987, 42, 400-406.

S.J. Nisly and G. S. Wasserman. Intensity dependence of perceived duration: Data, theories, and neural integration. Psychological Bulletin, 1989, 106, 483-496.

G. S. Wasserman and L. T. Wang-Bennett. Unity and diversity of neurelectric and psychophysical functions: The invariance question. Behavioral and Brain Sciences, 1989, 12, 297-299.

G. S. Wasserman, L. T. Wang-Bennett, and R. T. Miyamoto. Temporal dispersion in natural receptors and pattern discrimination mediated by artificial receptors (cochlear implants). In: Psychophysical Explorations of Mental Structure, H.-G. Geissler, M.H. Müller, and W. Prinz (Eds.). 1990, Chapter 17, pp. 211-227, Hogrefe and Huber: Toronto.

S. Ross-Farhang, J. L. Gadient, and G. S. Wasserman. Electrophysiological and behavioral measures of seasonal and monthly variations in Limulus ventral eye sensitivity. Journal of Interdisciplinary Cycle Research, 1990, 21, 97-118.

G. S. Wasserman, Artificial neuroreceptor interfaced to natural brain: Real-time portable version. In: International Neural Network Conference, B. Widrow and B. Angeniol (Chrs.). 1990, Vol. 1, pp. 459-462, Kluwer: Dordrecht (Netherlands).

G. S. Wasserman, Neural and behavioral assessments of sensory quantity. Behavioral and Brain Sciences, 1991, 14, 192-193.

L. T. Wang-Bennett and G. S. Wasserman, Visual cells in excised Limulus eyes: Dark adaptation reveals the presence of dual response mechanisms. Bulletin of the Psychonomic Society, 1991, 29, 75-78.

G. S. Wasserman, Do peer reviewers really agree more on rejections than acceptances: A random-agreement benchmark says they do not. Behavioral and Brain Sciences, 1991, 14, 165-166.

M. D. Tom, M. F. Tenorio, Z. Cheng, and G. S. Wasserman. Emergent properties of a neurobiological model of memory.1991 International Joint Conference on Neural Networks — Singapore,International Neural Network Society (Eds.), Vol. III, pp.2235-2240, IEEE Press: New York, 1991.

G. S. Wasserman, The psychoanatomy of consciousness: Neural integration occurs in single cells. Behavioral and Brain Sciences, 1992, 15, 232-233.

G. S. Wasserman, Visual cells in excised Limulus eyes: 2. Excision does not reduce sensitivity to light. Bulletin of the Psychonomic Society, 1992, 30, 120-122.

G. S. Wasserman, B. F. Berndt, and B. A. Bresnahan, The Purdue artificial receptor. In: Proceedings of the Johns Hopkins National Search for Computing Applications to Assist Persons with Disabilities, Paul L. Hazen (Dir.), pp. 31-34, IEEE Computer Society Press: Los Alamitos, CA, 1992.

G. S. Wasserman, Isomorphism, task dependence, and the multiple meaning theory of neural coding. Biological Signals, 1992, 1, 114-142.

G. S. Wasserman, B. F. Berndt, and B. A. Bresnahan, Cochlear implant signal processing: Receptor coding by a real-time signal processor. In: Proceedings of the 14th International Congress on Acoustics, Li Peizi (Ed.), Volume 3, paper H5-3, IUPAP: Beijing, 1992.

G. S. Wasserman, The localization/distribution distinction in neuropsychology is related to the isomorphism/multiple meaning distinction in cell electrophysiology. Behavioral and Brain Sciences, 1994, 17, 87-88.

G. S. Wasserman, Comparable context effects exist in physical, physiological, and psychophysical scales. Behavioral and Brain Sciences, 1994, 17, 764-766.

Z. Cheng and G.S. Wasserman, Receiver operating characteristic (ROC) analysis of neural code efficacies: I. Graded photoreceptor potentials and data quality. Biological Cybernetics, 1996, 75, 93-103.

Z. Cheng and G.S. Wasserman, Receiver operating characteristic (ROC) analysis of neural code efficacies: II. Optic nerve action potentials and neural transmission. Biological Cybernetics, 1996, 75, 105-115.

G.S. Wasserman and Z. Cheng, Electroretinographic (ERG) measures of vision in horseshoe crabs with uniform versus variegated carapaces. Biological Signals, 1996, 5, 247-262.

B. Kim and G.S. Wasserman, Adaptation-dependent differences in electroretinographic latency patterns in uniform and variegated horseshoe crabs. Biological Signals and Receptors, 1998, 7, 227-234.

Nisly-Nagele, S.J., and Wasserman, G.S. (2001). Dissociating sensory and cognitive contributions to visual persistence: I. Photoreceptor response duration as a function of flash intensity, adaptation state, and candidate code. Biological Cybernetics, 85, 167-183.

Wasserman, G.S. and Nisly-Nagele, S.J. (2001). Dissociating sensory and cognitive contributions to visual persistence: II. Integration of flash pairs as a function of interflash interval, integration site, and candidate code. Biological Cybernetics,85, 185-194.

Lim, C.C.M. and Wasserman, G.S. (2001). Categorical and prolonged potentials are evoked when brief, intermediate-intensity flashes stimulate horseshoe crab lateral eye photoreceptors during octopamine neuromodulation. Biological Signals and Receptors, 10, 399-415.

Bolbecker, A.R., Cheng, Z., Felsten, G., Kong, K.-L., Lim, C.C.M., Nisly-Nagele, S.J., Wang-Bennett, L.T., and Wasserman, G.S. (2002). Two asymmetries governing neural and mental timing. Consciousness and Cognition, 11, 265-272.

Bolbecker, A.R., Cheng, Z., and Wasserman, G.S. (2003). Time versus size: Which characteristic of a neural response carries more information? Biological Cybernetics, 88, 73-78.

Bolbecker, A.R., Lewis, A.R., Swan, A.A., Carlson, K., Fleet, J.R., Beck, K.E., and Wasserman, G.S. (2006). Stable bellows cup electrode demonstrates low-frequency properties of long-term electroretinographic recordings in the Limulus lateral eye. Journal of Neuroscience Methods, Published on 1 September 2006 at: http://dx.doi.org/10.1016/j.jneumeth.2006.07.015 Paper: (2007) 159, 252–260.

Lim-Kessler. C.C.M., Bolbecker, A.R., Li, J., & Wasserman, G.S. (2008). Visual efference in Limulus: In vitro temperature-dependent neuromodulation of photoreceptor potential timing by octopamine and substance P. Visual Neuroscience, 25, 83-94.

Lim, C.C.M., Bolbecker, A.R., Li, J., and Wasserman, G.S. (2008). Osmotic properties of Limulus seawaters and organ cultures: An unrecognized issue. Visual Neuroscience, 25, 103-105.

Bolbecker, A.R., Lim-Kessler, C.C.M., Li. J., Swan. A., Lewis, A., Fleets. J., & Wasserman, G.S. (2009). Visual efference neuromodulates retinal timing: In vivo roles of octopamine, substance P, circadian phase, and efferent activation in Limulus. Journal of Neurophysiology, 102, 1132-1138.

Wasserman, G.S., Bolbecker, A.R., Li, J., & Lim-Kessler, C.C.M. (2011). A top-down and bottom-up component of visual attention. Cognitive Computation, published online on 20 July 2010 at DOI: 10.1007/s12559-010-9058-z. Paper version (2011), 3, 294-302.

Bolbecker, A.R., Lim-Kessler, C.C.M., Li, J., Swan.A., Lewis, A., Fleets, J.R., and Wasserman, G.S. (2011). Constant Conditions Desynchronize Horseshoe Crab Electroretinogram Latency and Amplitude Biorhythms. In preparation.

Notes and Reviews:

G. S. Wasserman. Stable high-pressure Xenon arc lamp. Journal of the Optical Society of America, 1964, 54, 1492-1493.

G. S. Wasserman. Opponent-colors analysis of brightness enhancement (abstract, Proceedings of the XVIII International Congress of Psychology, Moscow Scientific Press, 1966, II, 215).

G. S. Wasserman. Action spectra of ommatidial cells in the lateral eye of Limulus (abstract), The Physiologist, 1966, 9, 314.

G. S. Wasserman. Linear electrophysiological and psychophysical functions near visual threshold. Vision Research, 1969, 9, 437.

G. S. Wasserman. Reply to Makous. Psychonomic Science, 1970, 19, 184.

W. S. Stark and G. S. Wasserman. Parametric analysis of the ERG in eye-color mutants of Drosophila. Genetics, 1973, 74, s265.

G. S. Wasserman. The tuned-receptor paradigm. Science, 1974, 185, 629-631.

G. S. Wasserman. Review of Aidley's The Physiology of Excitable Cells. In: American Scientist, 1975, 63, 239.

G. S. Wasserman. Limulus psychophysics: Spectral sensitivity of the ventral eye. Bulletin of the Psychonomic Society, 1975, 6, 429 (abstract).

G. S. Wasserman and K.-L. Kong. If a mental event occurs, when does it occur? Bulletin of the Psychonomic Society, 1976, 8, 274 (abstract).

G. Felsten and G. S. Wasserman. Masking by light in Limulus retinula and eccentric cells. Investigative Ophthalmology and Visual Science, 1977, 16, Supplement page 120 (abstract).

G. S. Wasserman. Review of Masterton, et al. Evolution of Brain and Behavior in Vertebrates. In: American Scientist, 1977, 65, 364.

G. S. Wasserman. Masking by light in single photoreceptors. Bulletin of the Psychonomic Society, 1977, 10, 260 (abstract).

G. S. Wasserman. Review of Verriest (Ed.). Colour Vision Deficiencies III: Proceedings of the Third Symposium of the International Research Group on Colour Deficiencies. In: Color Research and Application, 1977, 2, 195-197.

G. S. Wasserman, G. Felsten and G. S. Easland. Receptor saturation and the psychophysical function. Investigative Ophthalmology and Visual Science, 1979, 18, Supplement page 155 (abstract).

G. Felsten and G. S. Wasserman. Task-dependent sensory codes mediate visual masking. Investigative Ophthalmology and Visual Science, 1979, 18, Supplement page 246 (abstract).

G. S. Wasserman and G. Felsten. Backward masking interrupts a sensory signal by integration. Bulletin of the Psychonomic Society, 1979, 13, 229 (abstract).

L. T. Wang and G. S. Wasserman. Effect of adaptation on photoreceptor response duality in Limulus. Society for Neuroscience Abstracts, 1980, 6, 194 (abstract).

G. S. Wasserman. Sensory coding in natural and artificial receptors. Society for Neuroscience Abstracts, 1981, 7, 295 (abstract).

G. S. Wasserman. Preview of Introduction to Physiological Psychology, by Thomas L. Bennett, Contemporary Psychology, 1982, 27, 325.

G. S. Wasserman. Color vision in vertebrates. A review of Jacobs' Comparative Color Vision. In: Science, 1982, 216, 727-728.

G. S. Wasserman and L. T. Wang. Sensory quantity: The postreceptor transfer function. Perception, 1982, 11, A18 (abstract).

G. S. Wasserman. Circadian rhythms: A tutorial. A review of Moore-Ede, et al., The Clocks That Time Us. Contemporary Psychology, 1982, 27, 931-932.

G. S. Wasserman. Limulus visual threshold variations measured behaviorally: Daily and seasonal effects. Society for Neuroscience Abstracts, 1982, 8, 34 (abstract).

L. T. Wang and G. S. Wasserman. Transfer function between receptor potential amplitude and optic nerve spike frequency in Limulus in dark and light adaptation. Society for Neuroscience Abstracts, 1982, 8, 49 (abstract).

G. S. Wasserman. Preview of An Introduction to Physiological Psychology by Allen M. Schneider and Barry Tarshis. Contemporary Psychology, 1982, 27, 660.

G. S. Wasserman. Preview of Introduction to Biological Psychology by Philip M. Groves and Kurt Schlesinger. Contemporary Psychology, 1983, 28, 321.

G. S. Wasserman. Preview of Introduction to Physiological Psychology by Charles F. Levinthal. Contemporary Psychology, 1983, 28, 645.

G. S. Wasserman and L. T. Wang. Light adaptation alters the relation between critical durations and latencies of photoreceptor responses. Perception, 1983, 12, A18-A19 (abstract).

G. S. Wasserman and S. Ross-Farhang. Signal detection and electroretinographic measures of visual sensitivity in Limulus. Bulletin of the Psychonomic Society, 1983, 21, 349 (abstract).

G. S. Wasserman. Preview of Development of Perception: Psychobiological Perspectives, Vol. 1, Audition, Somatic Perception, and the Chemical Senses, edited by R.N. Aslin, J. R. Alberts, and M. R. Peterson. Contemporary Psychology, 1983, 28, 967.

G. S. Wasserman. First and last brains. A review of Calvin's The Throwing Madonna: Essays on the Brain. Contemporary Psychology, 1984, 29, 491-492.

S. J. Nisly and G. S. Wasserman. Two sensory codes for perceived duration: Real sensory signal analysis. Bulletin of the Psychonomic Society, 1984, 22, 238 (abstract).

G. S. Wasserman. Preview of Biological Psychology by James W. Kalat. Contemporary Psychology, 1984, 29, 918.

G. S. Wasserman. Preview of Brain, Mind, & Behavior by Floyd E. Bloom, Arylne Lazerson, and Laura Hofstadler. Contemporary Psychology, 1985, 30, 246.

G. S. Wasserman. Preview of Fundamentals of Human Neuropsychology by Brian Kolb and Ian Q. Whishaw. Contemporary Psychology, 1985, 30, 741.

G. S. Wasserman and S. J. Nisly. Intensity dependence of perceived duration. Perception, 1985, 14, A32-A33 (abstract).

G. S. Wasserman. Driving without a mind. A review of Vehicles: Experiments in Synthetic Psychology by Valentino Braitenberg. Contemporary Psychology, 1985, 30, 877-878.

G. S. Wasserman. Brief note on: Timing and Time Perception, John Gibbon and Lorraine Allen (Eds.). Contemporary Psychology, 1985, 30, 997.

G. S. Wasserman. Brief note on: Self-regulation of the Brain and Behavior, Th. Elbert, B. Rockstroh, W. Latzenberger, and N. Birbaumer (Eds.). Contemporary Psychology, 1985, 30, 999.

G. S. Wasserman. Brief note on: Sociophysiology, W. M. Waid (Ed.). Contemporary Psychology, 1986, 31, 304.

G. S. Wasserman. Brief note on: Primary Neural Substrates of Learning and Behavioral Change, D. L. Alkon and J. Farley (Eds.). Contemporary Psychology, 1986, 31, 305.

G. S. Wasserman. Brief review of Behavioral Neurology, J. H. Pincus and G. J. Tucker. Contemporary Psychology, 1986, 10, 815.

G. S. Wasserman. Review of Fundamentals of Neurophysiology, by R. F. Schmidt (Ed.). Contemporary Psychology, 1986, 31, 909.

G. S. Wasserman. Brief note on: Fundamentals of Sensory Physiology (3rd rev. ed.) by R. F. Schmidt (Ed.). Contemporary Psychology, l987, 32, 577.

G. S. Wasserman and R. T. Miyamoto. Cochlear implants for sensorineural deafness: Receptor coding improves speech discrimination. Society for Neuroscience Abstracts, 1987, 13, 542 (abstract).

G. S. Wasserman and R. T. Miyamoto. A receptor-coded cochlear implant: Speech discrimination and comprehension results. Journal of the Acoustical Society of America, 1987, 82, S71 (abstract).

G. S. Wasserman and R. T. Miyamoto. The cochlear implant as an artificial hair cell: Waveforms, spectra, and speech perception results. In: D. J. Lim (Ed.) Association for Research in Otolaryngology Abstracts, 1988, p. 208.

G. S. Wasserman and R. T. Miyamoto. Error analysis of cochlear implant consonant discriminations. Journal of the Acoustical Society of America, 1988, 84, S74.

Z. Cheng and G. S. Wasserman. Signal-detection characterization of neural code efficacies in single photoreceptors: Effect of stimulus intensity and light adaptation. Society for Neuroscience Abstracts, 1991, 17, 298 (abstract).

G. S. Wasserman, Time and duration: A persistent illusion. Perception and Psychophysics, 1991, 50, 603-604.

G. S. Wasserman, B.F. Berndt, and B.A. Bresnahan, Cochlear implant signal processing: Receptor coding by a real-time signal processor. Acustica, 1992, 76, Supplement page 45 (abstract).

G. S. Wasserman. Does the brain contain color modules? Review of Cognition Through Color, by J. Davidoff. American Journal of Psychology, 1993, 106, 466-470.

Z. Cheng and G. S. Wasserman. Neural coding efficacies of spike generating cells in Limulus eyes: Comparison with photoreceptor cells. Society for Neuroscience Abstracts, 1993, 19, 1197 (abstract).

Z. Cheng and G. S. Wasserman. Neural code efficacy: Different codes best mediate different neural functions. Bulletin of the Psychonomic Society, 1993, 31, Supplement p. 5.

G. S. Wasserman and Z. Cheng. Are Limulus with variegated carapaces visually incompetent? An electroretinographic (ERG) characterization of their visual sensitivity relative to Limulus with uniform carapaces. Society for Neuroscience Abstracts, 1994, 20, 778 (abstract).

W. Zhang, S. Gao, G. S. Wasserman, and H. Lu. Brain lesions in conductive vs. receptive aphasia: Localization evidence from three-dimensional reconstructions of CT scans. Society for Neuroscience Abstracts, 1995, 21, 222 (abstract).

G. S. Wasserman. Review of The Measurement of Sensation, by D. Laming. The Physiologist, 1998, 41, 442-443.

S.J. Nisly-Nagele and G.S. Wasserman. Code-dependent direct, inverse, invariant, and U trends relate flash intensity to photoreceptor response duration. Society for Neuroscience Abstracts, 1999, 25, 2188 (abstract).

G. S. Wasserman. The Renaissance encounter of the separations of Greek psychobiology with the new chemistry out of the Arab world. Society for Neuroscience Abstracts, 2000, 26, abstract #20.26.

C.C.M. Lim and G. S. Wasserman. Octopamine neuromodulation of the photoreceptors of the Limulus lateral eye: Prolonged receptor potentials. Society for Neuroscience Abstracts, 2000, 26, abstract #52.18.

A.R. Bolbecker, Z. Cheng, and G. S. Wasserman. The magnitude of a neural response feature transmits more information than its timing. Society for Neuroscience Abstracts, 2001, abstract #821.3.

C. C. M. Lim, A. R. Bolbecker, K. A. Vester, and G. S. Wasserman. Clear temporal differences exist between day and night ERG waveforms in intact Limulus lateral eyes. Society for Neuroscience Abstracts, 2002, abstract #838.3.

G. S. Wasserman. The Renaissance encounter of the separations of Greek psychobiology with the new chemistry of the Arab world. Journal of the History of the Neurosciences, 2002, 11, 231 (abstract).

G. S. Wasserman. Review of Wilhelm Wundt in History: The Making of a Scientific Psychology. Robert W. Rieber and David K. Robinson, eds. Journal of the History of the Neurosciences, 2002, 11, 434-435.

G.S. Wasserman, Goethe and Land provoke colorful comments. Physics Today, 2003, 56(3), 10.

K.W. Carlson, A. R. Bolbecker, C. C. M. Lim, N.V. Patel, and G. S. Wasserman. Suction electrode and concentric photostimulator yield large, low-noise Limulus electroretinograms. Society for Neuroscience Abstracts, 2003, abstract #420.3.

G.S. Wasserman. Cohen’s Fundamental Idea About Color, a review of Visual Color and Color Mixture: The Fundamental Color Space by Jozef B. Cohen. American Journal of Psychology, 2004, 114, 627-630.

Bolbecker, A.R., Lim, C.C.M., Li, J., Traverso, V., Orchard, A., Christadoss, C.S., Brahmbhatt, J., Beck, K.E., Lewis, A.R., Fleet, J., Carlson, K.W., Hoyt, C., Collins, M.D. Jr., Swan A., & Wasserman, G.S. Are photoreceptors in the attention spotlight? Efferent neuromodulators accelerate and/or retard the time course of photoreceptor responses evoked by light. Journal of Vision, 2005, 5, 680a. Presented on 9 May 2005 in Sarasota FL at the annual meeting of the Vision Sciences Society, 2005, abstract #226.117001. Also presented on 20 May 2005 in Indianapolis to the Indiana Chapter of the Society for Neuroscience.

Bolbecker, A.R., Lim, C.C.M., Li, J., & Wasserman, G.S. Internal desynchronization of ERGs in the lateral eye of Limulus: Are two circadian clocks involved? Program No. 61.3, 2005 Abstract Viewer and Itinerary Planner. Society for Neuroscience, Online.

Li. J., Stroup, L.M., Syverson, E.A., Brahmbhatt, J.A., and Wasserman, G.S. A retinal model of visual attention: Comodulation of Limulus lateral eye photoreceptors by two efferent neuromodulators. Presented on Nov 19, 2008 in Washington DC at the Society for Neuroscience. Program No. 768.5/JJ30. 2008 Neuroscience Meeting Planner. Online.

Wasserman, G.S., Bolbecker, A.R., Li, J., Lim-Kessler, C.C.M. No retinal efference in humans: An urban legend. In: Bastianelli A, Vidotto G. (Eds.), Fechner Day 2010. Proceedings of the 26th Annual Meeting of the International Society for Psychophysics, 263-268. Padua, Italy. The International Society of Psychophysics.

Wasserman, G.S., Bolbecker, A.R., Li, J., Lim-Kessler, C.C.M. Octopamine affects the timing of retinal responses in Limulus as well as their amplitudes. Frontiers in Systems Neuroscience, 2011, 5, 1.

Internet Publications:

G. S. Wasserman. On Searle and consciousness. In: P. Marvit (Ed.) Neuron Digest, 1990, 6, #15-item 2 (ftp archive is: cattell.psych.upenn.edu — directory is: pub/Neuron-Digest — file name is: vol-6-no-15).

G. S. Wasserman. Multiple meaning theories. In: P. Marvit (Ed.) Neuron Digest, 1990, 6, #33-item 1 (ftp archive is: cattell.psych.upenn.edu — directory is: pub/Neuron-Digest — file name is: vol-6-no-33).

G. S. Wasserman. Brains’ brains. In: P. Marvit (Ed.) Neuron Digest, 1990, 6, #70-item 2 (ftp archive: cattell.psych.upenn.edu — directory: pub/Neuron-Digest — file name: vol-6-no-70). The Neuron Digest is archived at Carnegie Mellon under:
http://www-2.cs.cmu.edu/afs/cs/project/airepository/ai/areas/neural/mail/neuron/

G. S. Wasserman. Essentialism and consciousness. In: S. Harnad (Ed.) psycoloquy, 1992, 3, #36-item 1 (ftp archive is: princeton.edu — directory is: pub/harnad — file name is: psyc.92.3.36.consciousness.18.wasserman).

G. S. Wasserman. Why do campaign polls zigzag so much? Because invalid sampling leads to zigzags in party affiliations. 9 October 1996, Published at web location: http://www.psych.purdue.edu/~codelab/Invalid.Polls.html

G. S. Wasserman. Were the polls right? No. Only once in 4,900 elections would chance alone produce such failures. 5 August 1997, Published at web location: http://www.psych.purdue.edu/~codelab/PollOdds.html
This meta-analysis of campaign poll performance formed the basis for an article by Richard Morin which was published in the Washington Post National Weekly Edition on 13 January 1997 under the title: The Election Post-Mortem: The Experts Debate The Accuracy Of Their Surveys.

G.S. Wasserman and K.-L. Kong. A persistent cognitive illusion among experts in the psychobiology of vision: Commentary on Margolis on Tycho’s (cognitive) illusion. PSYCOLOQUY, 28 September 1998.

PSYCOLOQUY is a refereed open peer commentary journal sponsored by the American Psychological Association This commentary can be retrieved from: ftp://ftp.princeton.edu/pub/harnad/Psycoloquy/1998.volume.9/psyc.98.9.43.cognitive-illusion.8.wasserman