Compound structure of rodents activity rhythm
In the present study an attempt to determine the fine structure of rodents activity rhythm was carried out. To eliminate masking effects which are produced by the active influence of the monitoring system on the behavior of the animal (e.g., running wheel) we designed a passive infra red detection s...
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| Veröffentlicht in: | Physiology & behavior 1995, Vol.57 (1), p.37-40 |
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| creator | Ticher, A. Ashkenazi, I.E. |
| description | In the present study an attempt to determine the fine structure of rodents activity rhythm was carried out. To eliminate masking effects which are produced by the active influence of the monitoring system on the behavior of the animal (e.g., running wheel) we designed a passive infra red detection system. Rats were exposed to light-dark 12:12 [LD(12:12)] cycles and mice to LD(12:12), LD(8:16) and LD(16:8) cycles. Multiwave patterns of activity were observed in both rodents genera which differ from each other in the number of activity bouts and the periods of the activity rhythm components. In LD(12:12), rats exhibited 2 bouts of activity and 1 bout of rest which were attributed to the presence of 24 and 8 h components. Mice, exposed to the three varying ratios of L to D regimens exhibited 3 bouts of activity and one bout of rest which were attributed to the presence of 24 and 6 h components. The relation of the compound structure to the 24 h rhythm is discussed. |
| doi_str_mv | 10.1016/0031-9384(94)E0108-G |
| format | Article |
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To eliminate masking effects which are produced by the active influence of the monitoring system on the behavior of the animal (e.g., running wheel) we designed a passive infra red detection system. Rats were exposed to light-dark 12:12 [LD(12:12)] cycles and mice to LD(12:12), LD(8:16) and LD(16:8) cycles. Multiwave patterns of activity were observed in both rodents genera which differ from each other in the number of activity bouts and the periods of the activity rhythm components. In LD(12:12), rats exhibited 2 bouts of activity and 1 bout of rest which were attributed to the presence of 24 and 8 h components. Mice, exposed to the three varying ratios of L to D regimens exhibited 3 bouts of activity and one bout of rest which were attributed to the presence of 24 and 6 h components. 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To eliminate masking effects which are produced by the active influence of the monitoring system on the behavior of the animal (e.g., running wheel) we designed a passive infra red detection system. Rats were exposed to light-dark 12:12 [LD(12:12)] cycles and mice to LD(12:12), LD(8:16) and LD(16:8) cycles. Multiwave patterns of activity were observed in both rodents genera which differ from each other in the number of activity bouts and the periods of the activity rhythm components. In LD(12:12), rats exhibited 2 bouts of activity and 1 bout of rest which were attributed to the presence of 24 and 8 h components. Mice, exposed to the three varying ratios of L to D regimens exhibited 3 bouts of activity and one bout of rest which were attributed to the presence of 24 and 6 h components. The relation of the compound structure to the 24 h rhythm is discussed.</description><subject>Activity Cycles - physiology</subject><subject>Animals</subject><subject>Behavior</subject><subject>Behavior, Animal - physiology</subject><subject>Biological and medical sciences</subject><subject>Chronobiology</subject><subject>Circadian Rhythm - physiology</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>Infrared detector</subject><subject>Male</subject><subject>Mice</subject><subject>Mice, Inbred ICR</subject><subject>Motor activity</subject><subject>Motor Activity - physiology</subject><subject>Mouse</subject><subject>Rat</subject><subject>Rats</subject><subject>Rats, Wistar</subject><subject>Rhythm-components</subject><subject>Rodentia</subject><subject>Rodentia - physiology</subject><subject>Spectrophotometry, Infrared</subject><subject>Vertebrates: anatomy and physiology, studies on body, several organs or systems</subject><issn>0031-9384</issn><issn>1873-507X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1995</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkE1LAzEQhoMotVb_gcIeRPSwmmyy-bgIUmoVCl4UvIU0O0sj3d2aZAv996a29KhzmcM8M7zzIHRJ8D3BhD9gTEmuqGS3it1NMMEynx6hIZGC5iUWn8doeEBO0VkIXzgVZXSABkIKSYpiiPJx16y6vq2yEH1vY-8h6-rMdxW0MWTGRrd2cZP5xSYumnN0UptlgIt9H6GP58n7-CWfvU1fx0-z3DIiYk4FUaXhnFnJFcZQz7kBXiglDDd1SWyFU0AqmFDc1laUEhilZQVzJmRBDR2hm93dle--ewhRNy5YWC5NC10ftBCEY5Ue_Q8knHPKFE0g24HWdyF4qPXKu8b4jSZYb3XqrSu9daUV07869TStXe3v9_MGqsPS3l-aX-_nJlizrL1prQsHLD0lZEowQo87DJK0tQOvg3XQWqicBxt11bm_c_wAHuCPaQ</recordid><startdate>1995</startdate><enddate>1995</enddate><creator>Ticher, A.</creator><creator>Ashkenazi, I.E.</creator><general>Elsevier Inc</general><general>Elsevier</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7QG</scope><scope>7TK</scope><scope>7X8</scope></search><sort><creationdate>1995</creationdate><title>Compound structure of rodents activity rhythm</title><author>Ticher, A. ; Ashkenazi, I.E.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c417t-37195a664c86900efb6ae62997a6af51cd0507374796cfc758e4335deb47823a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1995</creationdate><topic>Activity Cycles - physiology</topic><topic>Animals</topic><topic>Behavior</topic><topic>Behavior, Animal - physiology</topic><topic>Biological and medical sciences</topic><topic>Chronobiology</topic><topic>Circadian Rhythm - physiology</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>Infrared detector</topic><topic>Male</topic><topic>Mice</topic><topic>Mice, Inbred ICR</topic><topic>Motor activity</topic><topic>Motor Activity - physiology</topic><topic>Mouse</topic><topic>Rat</topic><topic>Rats</topic><topic>Rats, Wistar</topic><topic>Rhythm-components</topic><topic>Rodentia</topic><topic>Rodentia - physiology</topic><topic>Spectrophotometry, Infrared</topic><topic>Vertebrates: anatomy and physiology, studies on body, several organs or systems</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ticher, A.</creatorcontrib><creatorcontrib>Ashkenazi, I.E.</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Animal Behavior Abstracts</collection><collection>Neurosciences Abstracts</collection><collection>MEDLINE - Academic</collection><jtitle>Physiology & behavior</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ticher, A.</au><au>Ashkenazi, I.E.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Compound structure of rodents activity rhythm</atitle><jtitle>Physiology & behavior</jtitle><addtitle>Physiol Behav</addtitle><date>1995</date><risdate>1995</risdate><volume>57</volume><issue>1</issue><spage>37</spage><epage>40</epage><pages>37-40</pages><issn>0031-9384</issn><eissn>1873-507X</eissn><abstract>In the present study an attempt to determine the fine structure of rodents activity rhythm was carried out. To eliminate masking effects which are produced by the active influence of the monitoring system on the behavior of the animal (e.g., running wheel) we designed a passive infra red detection system. Rats were exposed to light-dark 12:12 [LD(12:12)] cycles and mice to LD(12:12), LD(8:16) and LD(16:8) cycles. Multiwave patterns of activity were observed in both rodents genera which differ from each other in the number of activity bouts and the periods of the activity rhythm components. In LD(12:12), rats exhibited 2 bouts of activity and 1 bout of rest which were attributed to the presence of 24 and 8 h components. Mice, exposed to the three varying ratios of L to D regimens exhibited 3 bouts of activity and one bout of rest which were attributed to the presence of 24 and 6 h components. 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| ispartof | Physiology & behavior, 1995, Vol.57 (1), p.37-40 |
| issn | 0031-9384 1873-507X |
| language | eng |
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| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | Activity Cycles - physiology Animals Behavior Behavior, Animal - physiology Biological and medical sciences Chronobiology Circadian Rhythm - physiology Fundamental and applied biological sciences. Psychology Infrared detector Male Mice Mice, Inbred ICR Motor activity Motor Activity - physiology Mouse Rat Rats Rats, Wistar Rhythm-components Rodentia Rodentia - physiology Spectrophotometry, Infrared Vertebrates: anatomy and physiology, studies on body, several organs or systems |
| title | Compound structure of rodents activity rhythm |
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