Abstract
The activities of the 9 Cl (Nucl. centralis lateralis), 9 LP (Nucl. lateralis posterior) and 43 Pul (pulvinar) neurons were studied in a monkey (Macaca mulatta) using various natural stimuli. The numbers of single neurons responsive to nociceptive stimuli were 4 in Cl; 2 in LP; and 4 in Pul. The receptive fields of some neurons were limited or were represented by the whole body.
