TWO ISSUES IN AUDITORY COGNITION:

Abstract— The study of auditory and music cognition provides opportunities to explore general cognitive mechanisms in a specific, highly structured domain We discuss two problems with implications for other domains of perception the self-organization of perceptual categories and invariant pattern recognition The perceptual category we consider is the octave We show how general principles of self-organization operating on a cochlear spectral representation can vield octave categories The example of invariant pattern recognition we consider is the recognition of invariant frequency patterns transformed to different absolute frequencies We suggest a system that uses pitch or musical key to map tones into a pitch-invariant format.     

The psychologist's role in assessing and facilitating patients' knowledge of advance directives in medical settings: A preliminary investigation

In a time of budgetary shortfalls in the medical industry, an aging population, and an increased emphasis on health care choices, psychologists are being called upon to administer advance medical directive programs to patients. This study reports preliminary findings from a program to assess and facilitate patients' knowledge of advance directives (ADs) by the Psychology Service at the Ann Arbor VA Medical Center. The participant pool included 243 male veteran patients admitted to medical and surgical wards at the hospital. The intervention included the use of a computer-generated prompt for consultation, which was sent to the psychology staff in response to a patient inquiry regarding ADs. It also involved an increased emphasis on the delivery of written material on ADs by the admissions clerks. The intervention appeared to result in a modest increase in patients' knowledge of advance directives. Suggestions are offered for areas that should be emphasized in future attempts to increase patients' knowledge and utilization of advance directives.     

Nonstranger sexual aggression: A discriminant analysis of the psychological characteristics of undetected offenders

Sex Roles - Rape is an underreported and underconvicted crime. Therefore, many highly sexually aggressive men are missed by research employing judicial identification for sample selection. The...     

Transformation rules in concept learning

Two major classes of models have been proposed to explain concept learning: strength models and distance models (Hayes-Roth & Hayes-Roth, 1977). The present study demonstrates that subjects abstract transformation rules as defined by the Franks and Bransford 11971) distance model. Transformation rules characterize how the patterns of a concept differ from each other. Transformation rules are inconsistent with strength models, which assume that subjects abstract component features and not relational information characterizing the differences among patterns. Whether a strength model or a distance model is more appropriate in other instances of concept learning is probably a function of task demands, stimulus characteristics, and subject characteristics.     

A Discursive Review

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Experimentation in social psychology: A reappraisal

Psychological inquiry into social phenomena has become virtually indistinguishable from controlled experimentation. Although the assets and liabilities of psychological experiments have been subject to periodic debate, a continued increase in the reliance placed experiments is evidenced. The present paper re-examines the adequacy of experimentation in light of major features of social interaction. Significant failures of the experiment emerge when the following characteristics of social events are considered: their imbeddedness in broader cultural patterns, their position within extended sequences, their open competition within real-life settings, their reliance on psychological confluences, and their complex determination. The additional consideration of social phenomena within historical context indicates that all reasonable hypotheses are valid and that critical testing between hypotheses about social behaviour is fruitless. Criteria for the productive usage of experiments are detailed.