Dizzy apes provide clues on human need for mind-altering experience

Dizzy apes provide clues on human need for mind altering experience (Victoria Jones/PA)
Great apes deliberately spin around in order to make themselves dizzy, researchers have discovered,
Academics at the University of Warwick and the University of Birmingham suggest the findings could provide clues about humans evolving the desire to seek altered mental states and actively manipulate their mood and perception of reality.