PROSSER 



constitute a whole area or population with different temperature 

 thresholds. Abrupt physiological changes in temperature constitute 

 the animal's own analysis of what the situation is because he must 

 then expunge all other influences of everything else at those par- 

 ticular moments. 



PROSSER: This is something we are going to explore. We hope 

 soon to probe in the brain with electrodes and see if we can find 

 some different recording of electrical activity at different tempera- 

 tures. 



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