Graph of a Probability Distribution. A probability distribution can be graphed, and sometimes this helps to show us features of the distribution that were not apparent from just reading the list of probabilities. The random variable is plotted along the x-axis, and the corresponding probability is plotted along the y-axis.
Manic-depression: Alternating moods of abnormal highs (mania) and lows (depression). Called bipolar disorder because of the swings between these opposing poles in mood. A type of depressive disease. Not nearly as prevalent as other forms of depressive disorders. Sometimes the mood switches are dramatic and rapid, but most often they are gradual.
Definition. Mania is an abnormally elated mental state, typically characterized by feelings of euphoria, lack of inhibitions, racing thoughts, diminished need for sleep, talkativeness, risk taking, and irritability.In extreme cases, mania can induce hallucinations and other psychotic symptoms.ndividuals experiencing a manic episode often have feelings of self-importance, elation, talkativeness, sociability, and a desire to embark on goal-oriented activities, coupled with the less desirable characteristics of irritability, impatience, impulsiveness, hyperactivity, and a decreased need for sleep.