THERMORECEPTOR PHYSIOLOGY 
IMIH 
ll III fit 
C 20 

nil iiiiillilliiiillii(i)* 
<>c 
D 20 
■hi 
mmm 
1 1 I M 
[pi||||ll'i||ii[Ni|.''i|V|''iil|l||!""i|iill|ii"i'|ii,'i|'|l|l|i|l|!''|ll'I 
nMHil 
oL 
F 'nmmmmmmm 
oL 
llt III i I I I III I 
H^oh lli ill it ^1 
oL 
i^i„| ll li.li I i iSigit 
Figure 10. Afferent impulses in single "cold" fiber in a human 
subject (No. 18a) and temperature during cutaneous thermal stim- 
ulation. A, stert of cooUng from 34 C to 26 C.^B, start of re- 
warming. C, start of cooling from 38 ^ C to 35^ C. D, start of 
rewarming. E, start of cooUng from 24 C to 16 C. F, start of 
rewarming. G, 13 sec after rewarming has started. H, continued 
from record G. (Hensel and Boman, 1960). 
