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Dermatophagia (from Ancient Greek δέρμα — lit. skin and φαγεία lit. eating) or dermatodaxia (from δήξις, lit. biting) [3] is a compulsion disorder of gnawing or biting one's own skin, most commonly at the fingers. This action can either be conscious or unconscious [4] and it is considered to be a type of pica.
The history of autism in France is marked by the strong influence of psychoanalysis, and by the persistence of institutionalization practices that violate the fundamental rights of autistic people. According to estimates at the end of 2016, 0.7 to 1% of the French population has an autism spectrum disorder, most of which is undiagnosed, leading ...
A 2003 review of epidemiological studies of children found autism rates ranging from 0.03 to 4.84 per 1,000, with the ratio of autism to Asperger syndrome ranging from 1.5:1 to 16:1; combining the geometric mean ratio of 5:1 with a conservative prevalence estimate for autism of 1.3 per 1,000 suggests indirectly that the prevalence of AS might ...
The pathophysiology of autism is the study of the physiological processes that cause or are otherwise associated with autism spectrum disorders . Autism's symptoms result from maturation-related changes in various systems of the brain. [1] How autism occurs is not yet well understood. Its mechanism can be divided into two areas: the ...
According to the DSM-5-TR (2022), in order to receive a diagnosis of autism spectrum disorder, one must present with "persistent deficits in social communication and social interaction" and "restricted, repetitive patterns of behavior, interests, or activities." [3] These behaviors must begin in early childhood and affect one's ability to ...
Epidemiology of autism. The epidemiology of autism is the study of the incidence and distribution of autism spectrum disorders (ASD). A 2022 systematic review of global prevalence of autism spectrum disorders found a median prevalence of 1% in children in studies published from 2012 to 2021, with a trend of increasing prevalence over time.
Beck–Fahrner syndrome, also known as BEFAHRS and TET3 deficiency, is a rare genetic disorder caused by mutations of the TET3 gene. The clinical presentation varies among individuals, but typically includes global developmental delay , slow progress in mental and physical activities , autism , decreased muscle tone , epilepsy and dysmorphic ...
The Autism – Tics, AD/HD, and other Comorbidities ( A–TAC) is a psychological measure used to screen for other conditions occurring with tics. [1] [2] Along with tic disorders, it screens for autism spectrum disorders, attention deficit/hyperactivity disorder (ADHD) and other conditions with onset in childhood. [1]