Rhesus macaque (IMAGE) Stockholm University Caption Does the brain limit our social capacity, in monkeys as well as humans? Credit Johan Lind/N Usage Restrictions The Press images are protected by copyright. Free use of the media in connection to news article or feature with connection to the article "'Dunbar's number' deconstructed". On publication, write "Photo: Johan Lind/N/ Stockholm University" License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.