This article memorializes David A. Washburn (1961-2025), one of Washburn's most important accomplishments was the development and training of nonhuman primates to use computers to provide insights into their cognitive abilities. David was an expert on executive attention, and he also published seminal articles on the numerical cognition, working memory, and metacognitive abilities of nonhuman primates in comparison to humans. Highlights of Washburn's career and professional contributions are noted. (PsycInfo Database Record (c) 2026 APA, all rights reserved).
Michael J. Beran (Mon,) studied this question.
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