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This article presents abstracts of papers which will be presented at the twenty-fourth Annual Meeting of the Society for Psychophysiological Research (SPR) to be held at the Marc Plaza Hotel in Milwaukee, Wisconsin, from October 18-21, 1984. One of the central arguments of the paper on orienting response (OR) and information processing is that there are two frameworks within which questions concerning the relationship between the OR and information processing have been posed. The first involves questions about the role that the OR and its habituation might play when organisms attend, learn and memorize.

In research centers where particular attention is paid to evoked potentials or event-related slow potentials, e.g. contingent negative variation or motor potentials, the computer can facilitate the task of the researcher in distinguishing the numerous valid and non-valid trials on a registration on-line. A non-valid trial is one that has been contaminated by artifacts such as eyeblinks, eye-movements, etc. Many of them, however, still use magnetic tape for data storage for off-line analysis. Simultaneous with the visual control of the EEG the valid trials are selected and then averaged by means of a special purpose computer (averager). These analyses are time-consuming and quite fatiguing because in case of a heavily contaminated registration, one must stop and restart the averager continuously; for this reason tape speed is limited for off-line analysis. This paper describes a system, Automatic Data Selector (A.D.S.), which can be programmed and then automatically selects the valid trials. See Fig. 1. [ABSTRACT FROM AUTHOR]

This paper discusses the inherent discrepancy between the mean heart rate computed from a series of cardiotachometer data points and the true average heart rate. A mathematical proof that the man cardiotachometer rate always exceeds the true rate when individual beats are sampled in the presence of variability is given. Examples which illustrate the magnitude of the discrepancy also are presented. [ABSTRACT FROM AUTHOR]

This article presents information on 33rd Annual Meeting of the Society for Psychophysiological Research to be held in Rottach-Egern, Germany, a picturesque Bavarian village located about 30 miles south of Munich in the foothills of the Bavarian Alps on October 27-31, 1993. Registration and travel information may be obtained from the Society for Psychophysiological Research based in Westerville, Ohio. The deadline for receipt of submissions of papers is Friday, May 14, 1993. The official call for papers was distributed in the winter mailing of the society, and copies may also be obtained from the society's offices.

The Second Nordic Meeting in Psychophysiology will be held in Linköping, Sweden from September 13-15, 1989. The meeting will address itself primarily to psychophysiology, but the organizing committee wishes to cover areas such as neurophysiology, neuropsychology, etc. Invited lectures, free paper sessions, and poster sessions will be included in the program. The official language will be English. The deadline for submission of abstracts is June 30, 1989. Abstract forms, preregistration forms, and additional information are available from the Second Nordic Meeting in Psychophysiology, Department of Psychiatry, University Hospital, Linköping, Sweden.

From October 18th through 22nd, 1989, the Twenty-Ninth Annual Meeting of the Society for Psychophysiological Research will be held at the Sheraton Hotel and Towers in New Orleans, Louisiana. The deadline for submission of papers or symposia for the meeting is May 15, 1989. Information regarding guidelines for submissions to the program committee may be obtained from program chairman William G. Iacono of the Department of Psychology, University of Minnesota, Minneapolis, Minnesota.

From October 18th through 22nd, 1989, the Twenty-Ninth Annual Meeting of the Society for Psychophysiological Research will be held at the Sheraton Hotel and Towers in New Orleans, Louisiana. The deadline for submission of papers or symposia is May 15, 1989. Information regarding guidelines for submissions to the program committee may be obtained from program chairman William G. Iacono of Minneapolis, Minnesota-based University of Minnesota, Department of Psychology.

From December 19th through 21st, 1984, the Twelfth Annual Meeting of the Psychophysiology Society will be held at Charing Cross and Westminster Medical School, Hammersmith, West London, England. The deadline for submission of abstracts is September 1, 1984. Further information about guidelines for paper submission, and registration and accommodation details, can be obtained from John Gruzelier of Charing Cross Hospital Medical School, Department of Psychiatry, London, England.

From October 18th through 21st, 1984, the Twenty-Fourth Annual Meeting of the Society for Psychophysiological Research will be held at the Marc Plaza Hotel in Milwaukee, Wisconsin. Information about submission of papers and the deadline for abstracts may be obtained from the program chairman Anne Schell of the Los Angeles, California-based Occidental College, Department of Psychology.

From October 20th through 23rd, 1976, the Sixteenth Annual Meeting of the Society for Psychophysiological Research will be held in San Diego, California, at the Vacation Village Hotel. Registration information may be obtained from Laverne C. Johnson or Richard Townsend of U.S. Naval Health Research Center of San Diego, California. Information regarding submission of papers and deadline for abstracts may be obtained Gary E. Schwartz of the New Haven, Connecticut-based Yale University, Department of Psychology.