Related Experiment Video
Updated: Aug 9, 2026
11:10
Membrane Potential Dye Imaging of Ventromedial Hypothalamus Neurons From Adult Mice to Study Glucose Sensing
Published on: November 27, 2013
Local brainstem glucose utilization in the squirrel monkey
1Department of Neurobiology, Tulane University, Covington, LA 70433.
Brain Research Bulletin
|August 1, 1987
Summary
This study measured local cerebral glucose utilization in squirrel monkeys. Brainstem glucose metabolism was highest in auditory, vestibular, and motor areas, with values differing from rats and other primates.
Area of Science:
- Neuroscience
- Metabolic Research
Background:
- Local cerebral glucose utilization (LCGU) is a key indicator of brain activity.
- Understanding regional brain metabolism is crucial for neuroscience research.
Purpose of the Study:
- To quantify local cerebral glucose utilization (LCGU) in the squirrel monkey (Saimiri sciureus).
- To compare LCGU values in squirrel monkeys with those reported in other species like rats and macaques.
Main Methods:
- Application of the 2-deoxy-D-[14C]-glucose method.
- Measurements conducted in conscious, lightly restrained adult female Colombian squirrel monkeys.
Main Results:
- Highest local glucose utilization in brainstem structures (LBGU) was observed in auditory, vestibular, and motor nuclei.
- LCGU values in squirrel monkeys were generally lower than in rats and slightly lower than in macaques.
- Comparison with Beagle dogs showed marked differences in medullary glucose utilization.
Conclusions:
- The 2-deoxy-D-[14C]-glucose method provides valuable data on squirrel monkey brain metabolism.
- Regional brainstem glucose utilization patterns in squirrel monkeys show species-specific variations.
- Comparative metabolic data aids in understanding interspecies brain function differences.
