Reflected in the English language learning, men are slightly more impulsive type, women are slightly more introspective type.

Controlling our impulsive desires for an immediate reward, in favour of a larger reward at a later date, is a similar type of response, originating from this same neurological area.

People with type B blood are believed to be stubborn, impulsive and cold, although they are also seen as practical, and Matsumoto's explanation was greeted with derision .