Aspects of the topic mood are discussed in the following places at Britannica.
Assorted References
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collective behaviour (in collective behaviour (psychology): Milling;
...effects. First, it sensitizes people to one another. In this sense milling focuses people’s attention on the collectivity and on a subject or problem. Second, milling tends to produce a common mood among the interacting individuals. Where some might react with sorrow, others with anger, and still others with partisan delight or indifference, milling helps to diffuse a single mood within a...
in collective behaviour (psychology): Crowds )The crucial step in developing crowd behaviour is the formation of a common mood directed toward a recognized object of attention. In a typical riot situation a routine police arrest or a fistfight between individuals from opposing groups focuses attention. Milling and rumour then establish a mood of indignation and hostility toward an identified enemy or enemies. In a collective religious...
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drugs and drug action (in drug (chemical agent): Psychiatric drugs)
...properties of the brain that depend on the network of neurons and chemical neurotransmitters that exist throughout the body; however, the means by which neurons achieve changes in behaviour and in mood remains unknown. Nevertheless, certain neurotransmitters, such as norepinephrine, dopamine, epinephrine, serotonin, and acetylcholine, appear to be closely linked to these aspects of brain...
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indicator of neurological disease (in nervous system disease: Emotional disturbances)
Alteration in mood is a common sign of neurological disease, as a result of either the pathological process itself or of the patient’s awareness of the disease. Although depression is most common, euphoria or mood swings may occur with disease of the frontal lobes of the brain.
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mental disorders (in affective disorder (psychology);
mental disorder characterized by dramatic changes or extremes of mood. Affective disorders may include manic (elevated, expansive, or irritable mood with hyperactivity, pressured speech, and inflated self-esteem) or depressive (dejected mood with disinterest in life, sleep disturbance, agitation, and feelings of worthlessness or guilt) episodes, and often combinations of the two. Persons with...
in mental disorder: Major mood disorders;The DSM-IV-TR defines two major, or severe, mood disorders: bipolar disorder and major depression.
in mental disorder: Mood-stabilizing drugs )Lithium, usually administered as its carbonate in several small doses per day, is effective in the treatment of an episode of mania. It can drastically reduce the elation, overexcitement, grandiosity, paranoia, irritability, and flights of ideas typical of people in the manic state. It has little or no effect for several days, however, and a therapeutic dose is rather close to a toxic dose. In...
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philosophy of mind (in philosophy of mind: Emotions, moods, and traits)
Moods and emotions—such as joy, sadness, fear, and anxiety—are hard to classify. It is not clear that they form a “natural kind” about which any interesting generalizations can be made. Many of them may simply be complex composites of intentional and phenomenal states. Thus, fear might be a combination of a certain thought (the thought that there is an abyss ahead), a...
