With their big, round eyes,
button noses and
large heads, puppies share many of
the same physical characteristics as human babies. And like babies, as
well as kittens, teddies and many cartoon characters, puppies provoke in
us an automatic 'cute response'. They grab our attention, we
enjoy looking at them and, at a neural level, they trigger activity
associated with reward and also compassion and empathy. In humans, and
other animals, this response is an evolved, innate behaviour that
motivates adults to look after helpless infants, and to be more
sensitive to their needs and feelings. It makes sense, then, that a
recent study found that puppies reach peak cuteness at eight weeks of
age, just the time when their canine mothers leave them to fend for
themselves.
Read more at Sciencefocus.com