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Attention deficit hyperactivity disorder (ADHD) [1] is a neurodevelopmental disorder characterized by symptoms of inattention, hyperactivity, impulsivity, and emotional dysregulation that are excessive and pervasive, impairing in multiple contexts, and developmentally inappropriate. [9]
The scientific study of the causes of developmental disorders involves many theories. Some of the major differences between these theories involves whether environment disrupts normal development, if abnormalities are pre-determined, or if they are products of human evolutionary history which become disorders in modern environments (see evolutionary psychiatry). [5]
Neurodevelopmental disorders are a group of mental conditions affecting the development of the nervous system, which includes the brain and spinal cord.According to the American Psychiatric Association Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, published in 2013, these conditions generally appear in early childhood, usually before children start school, and can ...
Some children with ADHD usually struggle with executive function — the ability to focus, organize and meet goals, necessary skills for navigating daily life, according to the Child Mind ...
People with classic ADHD are more likely to be rejected in these situations because of their social intrusiveness or aggressive behavior. Compared to children with CDS, they are also much more likely to show antisocial behaviours like substance abuse, oppositional-defiant disorder or conduct disorder (frequent lying, stealing, fighting etc.). [18]
Intellectual disability (ID), also known as general learning disability (in the United Kingdom), [3] and formerly mental retardation (in the United States), [4] [5] [6] is a generalized neurodevelopmental disorder characterized by significant impairment in intellectual and adaptive functioning that is first apparent during childhood.
In addition to the normative sample, a number of special group samples were collected, including the following: children identified as intellectually gifted, children with mild or moderate intellectual disability, children with specific learning disorders (reading, written expression, and math), children with ADHD, children with disruptive ...
In some cases, children who enjoy learning may develop a sense of fear when faced with structured or planned work, especially long or group-based assignments that require extended focus, even if they thoroughly understand the topic. Children with ADHD-PI may be at greater risk of academic failures and early withdrawal from school. [28]