| Literature DB >> 17739404 |
R Epstein, R P Lanza, B F Skinner.
Abstract
Each of three pigeons used a mirror to locate a spot on its body which it could not see directly. Although similar behavior in primates has been attributed to a self-concept or other cognitive process, the present example suggests an account in terms of environmental events.Year: 1981 PMID: 17739404 DOI: 10.1126/science.212.4495.695
Source DB: PubMed Journal: Science ISSN: 0036-8075 Impact factor: 47.728