{"title":"Phylogenetically distant animals sleep: why do sleep researchers care?","authors":"William Bechtel","doi":"10.1007/s10539-023-09938-6","DOIUrl":null,"url":null,"abstract":"<h3>Abstract</h3> <p>Philosophers examining mechanistic explanations in biology have identified heuristic strategies scientists use in discovering mechanisms. This paper examines the heuristic strategy of investigating phylogenetically distant model organisms, using research on sleep in fruit flies as an example. At the time sleep was discovered in flies in 2000 next to nothing was known about mechanisms regulating sleep in flies and what they could reveal about those in us. One relatively straightforward line of research focused on homologous genes in flies and humans, using those in flies to understand what roles their homologs played in controlling sleep in us. But other research focused on a higher level of organization—the neural networks involved in homeostatic and circadian control of sleep. This raises a puzzle—given that fly and vertebrate brains are organized very differently, how could sleep regulation in flies serve as an informative model of vertebrate sleep? I argue that the basic design of mechanisms such as those regulating sleep can be conserved even as the composition of the mechanism changes and that researchers can hope to use the designs deciphered in flies as heuristic models for understanding sleep in humans.</p>","PeriodicalId":55368,"journal":{"name":"Biology & Philosophy","volume":"20 1","pages":""},"PeriodicalIF":1.7000,"publicationDate":"2023-12-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Biology & Philosophy","FirstCategoryId":"98","ListUrlMain":"https://doi.org/10.1007/s10539-023-09938-6","RegionNum":1,"RegionCategory":"哲学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q1","JCRName":"HISTORY & PHILOSOPHY OF SCIENCE","Score":null,"Total":0}
引用次数: 0
Abstract
Philosophers examining mechanistic explanations in biology have identified heuristic strategies scientists use in discovering mechanisms. This paper examines the heuristic strategy of investigating phylogenetically distant model organisms, using research on sleep in fruit flies as an example. At the time sleep was discovered in flies in 2000 next to nothing was known about mechanisms regulating sleep in flies and what they could reveal about those in us. One relatively straightforward line of research focused on homologous genes in flies and humans, using those in flies to understand what roles their homologs played in controlling sleep in us. But other research focused on a higher level of organization—the neural networks involved in homeostatic and circadian control of sleep. This raises a puzzle—given that fly and vertebrate brains are organized very differently, how could sleep regulation in flies serve as an informative model of vertebrate sleep? I argue that the basic design of mechanisms such as those regulating sleep can be conserved even as the composition of the mechanism changes and that researchers can hope to use the designs deciphered in flies as heuristic models for understanding sleep in humans.
期刊介绍：
Recent decades have witnessed fascinating and controversial advances in the biological sciences. This journal answers the need for meta-theoretical analysis, both about the very nature of biology, as well as about its social implications.
Biology and Philosophy is aimed at a broad readership, drawn from both the sciences and the humanities. The journal subscribes to no specific school of biology, nor of philosophy, and publishes work from authors of all persuasions and all disciplines. The editorial board reflects this attitude in its composition and its world-wide membership.
Each issue of Biology and Philosophy carries one or more discussions or comparative reviews, permitting the in-depth study of important works and topics.
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