I think it's referred to as Bipolar disorder now. It's a more apt description of the high's and low's people with this disorder feel. My mom had it when I was growing up, but I'll give you the text book definition.
Bipolar disorder is a psychiatric condition defined as recurrent episodes of significant disturbance in mood. These disturbances can occur on a spectrum that ranges from debilitating depression to unbridled mania. Individuals suffering from bipolar disorder typically experience fluid states of mania, hypomania or what is referred to as a mixed state in conjunction with depressive episodes. These clinical states typically alternate with a normal range of mood. The disorder has been subdivided into Bipolar I, Bipolar II and cyclothymia, with both Bipolar I and Bipolar II potentially presenting with rapid cycling.
Also called Bipolar Affective Disorder until recently, the current name is of fairly recent origin and refers to the cycling between high and low episodes; it has replaced the older term Manic-depressive Illness coined by Emil Kraepelin (1856-1926) in the late 19th century.[3]
Onset of symptoms generally occurs in young adulthood. Diagnosis is based on the person's self-reported experiences, as well as observed behavior. Episodes of illness are associated with distress and disruption, and a relatively high risk of suicide.[1] Studies suggest that genetics, early environment, neurobiology, and psychological and social processes are important contributory factors. Current psychiatric research is focused on the role of neurobiology, but a clear organic cause has not been found. Bipolar disorder is usually treated with medications and/or therapy or counseling. The mainstay of medication are a number of drugs termed 'mood stabilizers', in particular lithium and sodium valproate ; these are a group of unrelated medications used to prevent relapses of further episodes. Neuroleptic medications, also termed 'antipsychotics', in particular olanzapine, are used in the treatment of manic episodes and in maintenance. The benefits of using antidepressants in depressive episodes is unclear. In serious cases where there is risk to self and others involuntary hospitalization may be necessary; these generally involve severe manic episodes with dangerous behaviour or depressive episodes with suicidal ideation. Hospital stays are less frequent and for shorter periods than they were in previous years.
Some studies have suggested a significant correlation between creativity and bipolar disorder. However, the relationship between the disorder and creativity is still very unclear.[2][3][4] One study indicated increased striving for, and sometimes obtaining, goals and achievements.[5]
Bipolar disorder is a cyclic illness where people periodically exhibit elevated (Manic) and depressive episodes. Most people will experience a number of episodes, averaging 0.4 to 0.7 a year with each lasting 3-6 months.[13][14] Late adolescence and early adulthood are peak years for the onset of the illness.[15][16] These are critical periods in a young adult's social and vocational development, and they can be severely disrupted by disease onset.
Classification
Bipolar disorder is commonly categorized as either Bipolar Type I, where an individual experiences full-blown mania, or Bipolar Type II, in which the hypomanic "highs" do not go to the extremes of mania. The latter is much more difficult to diagnose, since the hypomanic episodes may simply appear as a period of successful high productivity and is reported less frequently than a distressing depression. Psychosis can occur, particularly in manic periods. There are also 'rapid cycling' subtypes. Because there is so much variation in the severity and nature of mood-related problems, the concept of a bipolar spectrum is often employed, which includes cyclothymia. There is no consensus as to how many 'types' of bipolar disorder exist.[17] Many people with bipolar disorder experience severe anxiety and are very irritable (to the point of rage) when in a manic state, while others are euphoric and grandiose.
Depressive phase
Main article: Clinical Depression
Signs and symptoms of the depressive phase of bipolar disorder include: persistent feelings of sadness, anxiety, guilt, anger, isolation and/or hopelessness, disturbances in sleep and appetite, fatigue and loss of interest in usually enjoyed activities, problems concentrating, loneliness, self-loathing, apathy or indifference, depersonalization, loss of interest in sexual activity, shyness or social anxiety, irritability, chronic pain (with or without a known cause), lack of motivation, and morbid/suicidal ideation.[18]
Mania
Main article: Mania
Mania is generally characterized by a distinct period of an elevated, expansive or irritable mood state. People commonly experience an increase in energy and a decreased need for sleep. A person's speech may be pressured, with thoughts experienced as racing. Attention span is low and a person in a manic state may be easily distracted. People may feel they have been 'chosen', or are 'on a special mission', which are considered grandiose or delusional ideas. At more extreme phases, a person in a manic state can begin to experience psychosis, or a break with reality, where thinking is affected along with mood. In order to be diagnosed with mania according to DSM-IV, a person must experience this state of elevated or irritable mood as well as other symptoms for two or more weeks.
Hypomania
Main article: Hypomania
Hypomania is generally a less extreme state than mania, and people in the hypomanic phase generally experience less of the symptoms of mania than those in a full-blown manic episode. During an episode of Hypomania one might feel an uncontrollable impulse to laugh at things he or she does not normally find funny. The duration is usually also shorter than in mania. This is often a very 'artistic' state of the disorder, where there is a flight of ideas, extremely clever thinking, and an increase in energy.
Mixed state
Main article: Mixed state (psychiatry)
In the context of bipolar disorder, a mixed state is a condition during which symptoms of mania and clinical depression occur simultaneously (for example, agitation, anxiety, aggressiveness or belligerence, confusion, fatigue, impulsiveness, insomnia, irritability, morbid and/or suicidal ideation, panic, paranoia, persecutory delusions, pressured speech, racing thoughts, restlessness, and rage).[19]
Mixed episodes can be the most volatile of the bipolar states, as moods can easily and quickly be triggered or shifted.[citation needed] Suicide attempts, substance abuse, and self-mutilation may occur during this state.[citation needed]
Rapid cycling
Rapid cycling, defined as having four or more episodes per year, is found in a significant fraction of patients with bipolar disorder. It has been associated with greater disability or a worse prognosis, due to the confusing changeability and difficulty in establishing a stable state. Rapid cycling can be induced or made worse by antidepressants, unless there is adjunctive treatment with a mood stabilizer.[20][21]
Cognition
Recent studies have found that bipolar disorder involves certain cognitive deficits or impairments, even in states of remission.[22][23][24][25] Deborah Yurgelun-Todd of McLean Hospital in Belmont, Massachusetts has argued these deficits should be included as a core feature of bipolar disorder. According to McIntyre et al. (2006),
Study results now press the point that neurocognitive deficits are a primary feature of BD; they are highly prevalent and persist in the absence of overt symptomatology. Although disparate neurocognitive abnormalities have been reported, disturbances in attention, visual memory, and executive function are most consistently reported.[26]
However, in the April-June 2007 issue of the Journal of Psychiatric Research, Spanish researchers reported that people with bipolar 1 who have a history of psychotic symptoms do not necessarily experience an increase in cognitive impairment.[citation needed]
Creativity
Main article: Creativity and mental illness
A number of recent studies have observed a correlation between creativity and bipolar disorder,[2][3][4] although it is unclear in which direction the cause lies, or whether both conditions are caused by some third, unknown, factor. It has been hypothesized that temperament may be one such factor.