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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Weber, Matthew J. Osherson, Daniel |
| Description | Author Affiliation: Weber MJ ( Department of Psychology and Center for Cognitive Neuroscience, University of Pennsylvania, 3720 Walnut Street, Philadelphia, PA, 19104, USA, mweb@psych.upenn.edu.) |
| Abstract | The idea that similarity might be an engine of inductive inference dates back at least as far as David Hume. However, Hume's thesis is difficult to test without begging the question, since judgments of similarity may be infected by inferential processes. We present a one-parameter model of category-based induction that generates predictions about arbitrary statements of conditional probability over a predicate and a set of items. The prediction is based on the unconditional probabilities and similarities that characterize that predicate and those items. To test Hume's thesis, we collected brain activation from various regions of the ventral visual stream during a categorization task that did not invite comparison of categories. We then calculated the similarity of those activation patterns using a simple measure of vectorwise similarity and supplied those similarities to the model. The model's outputs correlated well with subjects' judgments of conditional probability. Our results represent a promising first step toward confirming Hume's thesis; similarity, assessed without reference to induction, may well drive inductive inference. |
| File Format | HTM / HTML |
| ISSN | 15307026 |
| Issue Number | 1 |
| Volume Number | 14 |
| e-ISSN | 1531135X |
| Journal | Cognitive, Affective, & Behavioral Neuroscience |
| Language | English |
| Publisher | Springer |
| Publisher Date | 2014-03-01 |
| Publisher Place | United States |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Behavioral Sciences Discipline Neurology Brain Physiology Models, Psychological Thinking Adolescent Adult Female Humans Judgment Magnetic Resonance Imaging Male Multivariate Analysis Neuropsychological Tests Probability Signal Processing, Computer-assisted Visual Pathways Young Adult Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Cognitive Neuroscience Behavioral Neuroscience |
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