Especially when started in adolescence, marijuana use can permanently stunt the development of neurons in the _____, impairing _____ permanently

Small electrodes are pasted onto Miranda's scalp and are

connected by wire to a machine that translates the electrical energy from her brain into wavy lines on a moving piece of paper. From this description, it is evident that Miranda's brain is being studied through the use of _____. A) a CT scan B) functional magnetic resonance imaging C) a microelectrode D) an electroencephalograph

A major goal of scientific procedures is to

A) produce information that proves the researchers' ideas. B) generate results more quickly and efficiently. C) reduce the influence of subjective factors on the results. D) test as many ideas as possible at the same time.