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Adipsia, also known as hypodipsia, is a symptom of inappropriately decreased or absent feelings of thirst. [ 1 ] [ 2 ] It involves an increased osmolality or concentration of solute in the urine, which stimulates secretion of antidiuretic hormone (ADH) from the hypothalamus to the kidneys.
Thirst (1886), by William-Adolphe Bouguereau. Thirst is the craving for potable fluids, resulting in the basic instinct of animals to drink. It is an essential mechanism involved in fluid balance. [1] It arises from a lack of fluids or an increase in the concentration of certain osmolites, such as sodium.
Sexual arousal results in a combination of physiological and psychological factors, like genital sexual response and subjective experience of sexual arousal. The degree to which genital and subjective sexual response correspond is termed concordance .
Homeostatic feeling is a class of feelings (e.g. thirst, fatigue, pain, desire, malaise, well-being) that inform us about our physiological condition. [1] In his earlier work Antonio Damasio used "primordial feeling" but he now prefers the term "homeostatic feeling" for the class.
Hunger is a sensation that motivates the consumption of food. The sensation of hunger typically manifests after only a few hours without eating and is generally considered to be unpleasant. Satiety occurs between 5 and 20 minutes after eating. [1] There are several theories about how the feeling of hunger arises. [2]
The end of the world or end times [2] is predicted by several world religions (both Abrahamic and non-Abrahamic), which teach that negative world events will reach a climax. Belief that the end of the world is imminent is known as apocalypticism , and over time has been held both by members of mainstream religions and by doomsday cults .
Arousal is the physiological and psychological state of being awoken or of sense organs stimulated to a point of perception. It involves activation of the ascending reticular activating system (ARAS) in the brain, which mediates wakefulness, the autonomic nervous system, and the endocrine system, leading to increased heart rate and blood pressure and a condition of sensory alertness, desire ...
Discontinuation of hydration does not produce true thirst, although a sensation of dryness of the mouth often is reported as "thirst". The evidence that true thirst does not occur is extensive, [ citation needed ] along with evidence showing that the ill feeling is not relieved by giving fluids intravenously, but rather by wetting the tongue ...