Tested the 2-process theory of detection, search, and attention presented by the current authors in a series of experiments. The studies demonstrate the qualitative difference between 2 modes of information processing: automatic detection and controlled search; trace the course of the learning of automatic detection, of categories, and of automatic-attention responses; and show the dependence of automatic detection on attending responses and demonstrate how such responses interrupt controlled processing and interfere with the focusing of attention. The learning of categories is (...) shown to improve controlled search performance. A general framework for human information processing is proposed. The framework emphasizes the roles of automatic and controlled processing. The theory is compared to and contrasted with extant models of search and attention. (shrink)

The meaning of spontaneous skin conductance activity, and its relevance to appraisal theory, are examined. Spontaneous skin conductance activity is hypothesised to reflect task engagement, and thus to be correlated with appraisals of problem-focused coping potential. In a within-subjects design, subjects solved anagrams in which task difficulty was manipulated by varying both the difficulty of the anagrams and the amount of time available to solve them. In the most difficult condition, appraisals of coping potential were expected, and observed, to be (...) especially low, and these appraisals were predicted to produce selective disengagement from the task, yielding reduced skin conductance activity. Within trials, skin conductance activity increased at the start of the trials in all conditions, but decreased by the end of the trials in the most difficult condition only. At the end of the trials, both spontaneous response rate and maximum response amplitude were positively correlated, within-subjects, with appraisals of coping potential, and, even after controlling for task difficulty, with solving the anagram. These findings support the hypothesised relation between appraised coping potential and spontaneous skin conductance activity, and the interpretation of this activity as reflecting task engagement. (shrink)

This paper is concerned with some limitations of the vignette methodology used in contemporary appraisal research and their implications for appraisal theory. We focus on two recent studies in which emotional manipulations were achieved using textual materials, and criticise the investigators' apparent implicit assumption that participation in everyday social reality is somehow comparable to reading a story. We take issue with three related aspects of this cognitive analogy between life and its narrative representation, by arguing that emotional reactions in real (...) life are not necessarily mediated by symbolic processes, that people are involved participants of real life rather than neutral observers, and that in real life people's evaluations and emotions are typically part of an ongoing dialogue rather than the expression of a soliloquy. Results from these studies of emotional vignettes therefore tend to overestimate the importance of constructive, abstract, and individualistic processes in the everyday causation of social emotions. In real life, people do not necessarily have to calculate, transform, or internally represent the meaning of the dynamic situation in order to make emotional sense of what is happening to them in the social world. (shrink)

Computing Methodologies -- Artificial Intelligence.

What are 'emotions'? This book offers a balanced survey of facts and theory.