|Behavioral Neuroscience is the application of biology to study the physiological, genetic, and developmental mechanisms of behavior in humans and other animals. Thus, it can be described as exploration of nervous system in controlling normal and abnormal behaviour. Medically available Drugs and recreational drufs have impact on brain and neurotrasmitters in brain thus changing the behavious pattern, psychology, attitude etc. High-impact journals are those considered to be highly influential in their respective fields. The impact factor of journal provides quantitative assessment tool for grading, evaluating, sorting and comparing journals of similar kind. It reflects the average number of citations to recent articles published in science and social science journals in a particular year or period, and is frequently used as a proxy for the relative importance of a journal within its field. The impact factor of a journal is evaluated by dividing the number of current year citations to the source items published in that journal during the previous two years.