https://www.cambridge.org/core/services/aop-cambridge-core/content/view/380B14D7166CBBCBCAD146F811E7D5D4/S0140525X00050111a.pdf/psychophysical_correlates_of_physiological_functions.pdf (Publisher version)
Poeppel, E., & Logothetis, N. (1988). Psychophysical correlates of physiological functions. Behavioral and Brain Sciences, 11(2), 308-309. doi:10.1017/S0140525X00050111.