Development of the human body used to approximately judge a child's age based on physical development. Puberty is the process of physical changes through which a child's body matures into an adult body capable of sexual reproduction. It is initiated by hormonal signals from the brain to the gonads: the ovaries in a girl, the testes in a boy. In response to the signals, the gonads produce hormones that stimulate libido and the growth, function, and transformation of the brain, bones, muscle, blood, skin, hair, breasts, and sex organs. Physical growth—height and weight—accelerates in the first half of puberty and is completed when an adult
Association for the Scientific Study of Consciousness has organised annual conferences to promote interaction and spread knowledge of scientific and philosophical advances in the field of consciousness research. The 2008 meeting was organized by Allen Houng and Ralph Adolphs, and held between the 19th and 22 June at the Gis Convention Center, National Taiwan University in Taipei. The June 2009 meeting was held in Berlin, and organized by Patrick Wilken and Michael Pauen. In addition to organizing annual meetings, the association promotes the academic study of consciousness in a number of other ways: Association for the Scientific Study of Consciousness The Association for the Scientific Study of