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EXPERIMENT INFORMATION

Biological Rhythm and Temperature Regulation: I. Biological Rhythms and Temperature Regulation (COS 2044-23)
Principal Investigator
Research Area:
Chronobiology
Species Studied
Scientific Name: Macaca mulatta Species: Monkey Strain: Rhesus

Description
Objectives:

This study examined the influence of microgravity on temperature regulation and circadian timekeeping systems in two Rhesus monkeys. Animals were exposed to fourteen days of microgravity while constantly monitoring the circadian patterns, temperature regulation, heart rate and activity. This experiment extended results from Cosmos 1514, as well as providing insights into the physiological mechanisms that produce these changes.


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Publications
Fuller, C.A. et al.: Circadian Rhythms and Temperature Regulation During Spaceflight: I. Circadian Rhythms and Temperature Regulation During Spaceflight. Final Reports of the U.S. Experiments Flown on the Soviet Biosatellite Cosmos 2044. Vol. 2. J.P. Connolly, R.E. Grindeland, and R.W. Ballard, eds., NASA TM-108802, 1994, pp. 355-360.

Sulzman, F.M. et al.: Thermoregulatory Responses of Rhesus Monkey During Spaceflight. Physiology & Behavior, vol. 51, 1992, pp. 585-591.

Keywords
Adaptation, physiological
Biological clocks
Body temperature regulation
Circadian rhythm
Heart rate
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Data Information
Data Availability
Archive is complete. No data sets are available for this experiment. Please Contact LSDA if you know of available data for this investigation.

Parameters
Activity, Heart rate, primate, Hard wire EKG, CR/T signal processor
Activity, Heart rate, rat, Implanted transmitter, continuous EKG, rate algorithm
Activity, motor, Primate, Jacket piezoelectric sensors (rhythm)
Rhythm, circadian, Neurospora crassa, culture, Race tube, banding pattern "Cleanness"
Temperature, Ambient, primate enclosure, Ambient temperature recorder (ATR), converter
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Mission/Study Information
Mission Launch/Start Date Landing/End Date Duration
Cosmos 2044 09/15/1989 09/29/1989 14 days

Additional Information
Managing NASA Center
Ames Research Center (ARC)
Responsible NASA Representative
Ames Research Center LSDA Level 3
Project Manager: Helen Stewart
Institutional Support
National Aeronautics and Space Administration (NASA)
Alternate Experiment Name
C2044-29.1
Protocol / Approach
Proposal Date
6/17/1988
Proposal Source
88-OSSA-9