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Fingernails of a nail-biter. Nail biting, also known as onychophagy or onychophagia, is an oral compulsive and unhygienic habit of biting one's fingernails. It is sometimes described as a parafunctional activity, the common use of the mouth for an activity other than speaking, eating, or drinking. Nail biting is very common, especially amongst ...
Autophagia. Autophagia is the practice of biting/consuming one's body. It is a sub category of self-injurious behavior (SIB). [1] Commonly, it manifests in humans as nail biting and hair pulling. In rarer circumstances, it manifests as serious self mutilative behavior such as biting off one's fingers. [2] Autophagia affects both humans and non ...
Psychomotor agitation is a symptom in various disorders and health conditions. It is characterized by unintentional and purposeless motions and restlessness, often but not always accompanied by emotional distress. Typical manifestations include pacing around, wringing of the hands, uncontrolled tongue movement, pulling off clothing and putting ...
Now that's scary! Biting your nails is no picnic for your teeth, either. "Constant biting can lead to poor dental occlusion," says Richard Scher, M.D., an expert in nail disorders, "so the biter's ...
Fixation in this stage can lead to adult habits such as thumb-sucking, smoking, over-eating, and nail-biting. Personality traits can also develop during adulthood that is linked to oral fixation; these traits can include optimism and independence or pessimism and hostility.
Similarly, nail-biting was viewed as a nervous characteristic. Parents always swatted their toddler's fingers away from their mouths, trying their best as the gate keeper of germs.
Self-harm is for example associated with eating disorders, [57] autism spectrum disorders, [58] [59] borderline personality disorder, dissociative disorders, bipolar disorder, [60] depression, [11] [61] phobias, [11] and conduct disorders. [62] As many as 70% of individuals with borderline personality disorder engage in self-harm. [63]
Psychoanalysis. In psychoanalysis, psychosexual development is a central element of the sexual drive theory. According to Freud, personality develops through a series of childhood stages in which pleasure seeking energies from the child become focused on certain erogenous areas. An erogenous zone is characterized as an area of the body that is ...