Psychologic dependence definition

While we are discussing the DSM-IV definition of dependence, wc would like to define a term that you probably have heard or read because it is st) commonly used psychological dependence. Like many terms used in communicating about drugs and their use, psycholo [ical dependence has had different meanings. So the Rinaldi et al. (1988) consensus definition is useful again. In the Rinaldi study psychological... 

If a tree falls and there is no one there to hear it, does it produce a noise This centuries-old conundrum is readily answered, depending on one s definition of noise. Defined physically, then yes, the air will vibrate. If noise is defined psychologically, then no Without an ear to hear it, there can be no sound. 

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