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In neurology, abulia, or aboulia (from Ancient Greek: βουλή, meaning "will"), [1] refers to a lack of will or initiative and can be seen as a disorder of diminished motivation. Abulia falls in the middle of the spectrum of diminished motivation, with apathy being less extreme and akinetic mutism being more extreme than abulia. [2]
Avolition or amotivation, as a symptom of various forms of psychopathology, is the decrease in the ability to initiate and persist in self-directed purposeful activities. [1] [2] Such activities that appear to be neglected usually include routine activities, including hobbies, going to work or school, and most notably, engaging in social activities.
[6] [2] [21] [4] [7] Alogia (poverty of speech) and asociality (lack of social interest) are associated with DDM as well. [20] [7] Often however, a spectrum of DDM is defined encompassing apathy, abulia, and akinetic mutism, with apathy being the mildest form and akinetic mutism being the most severe or extreme form.
Anhedonia is a diverse array of deficits in hedonic function, including reduced motivation or ability to experience pleasure. [1] While earlier definitions emphasized the inability to experience pleasure, anhedonia is currently used by researchers to refer to reduced motivation, reduced anticipatory pleasure (wanting), reduced consummatory pleasure (liking), and deficits in reinforcement learning.
Studies of motivation suggest that laziness may be caused by a decreased level of motivation, lack of interest, and confidence which in turn can be caused by over-stimulation or excessive impulses or distractions. These increase the release of dopamine, a neurotransmitter responsible for reward and pleasure.
Amotivational syndrome is a chronic psychiatric disorder characterized by signs that are linked to cognitive and emotional states such as detachment, blunted emotion and drives, executive functions like memory and attention, [1] disinterest, passivity, apathy, and a general lack of motivation.
Apathy, also referred to as indifference, is a lack of feeling, emotion, interest, or concern about something. It is a state of indifference, or the suppression of emotions such as concern, excitement, motivation, or passion. An apathetic individual has an absence of interest in or concern about emotional, social, spiritual, philosophical ...
Asociality refers to the lack of motivation to engage in social interaction, or a preference for solitary activities.Asociality may be associated with avolition, but it can, moreover, be a manifestation of limited opportunities for social relationships. [1]