Autism spectrum disorders are compared to Alzheimer's disease in terms of the major DSM-5 categories of mental disorders, and childhood disintegrative disorders are compared to pervasive developmental disorders.
A mental disorder is a condition that manifests as a clinically significant disturbance in a person's thinking, regulating emotions, or acting in a way that is inconsistent with the biological, and psychological processes that underlie mental functioning. Anxiety disorders, bipolar and associated disorders, feeding and eating disorders, depressive disorders, obsessive-compulsive and related disorders, and personality disorders are a few examples of categories in the DSM-5. The DSM-5 lists around 300 different mental illnesses. This manual is used by medical practitioners to recognize and classify mental disorders.
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Answer:
The answer is A. Conceptual replication
Explanation:
Mark decides to conduct a variation of the original study in which he measures participants' ability to solve verbal analogies as the cognitive task instead of measuring their ability to solve math problems. He finds that people who drink caffeine beforehand solve more verbal analogies than those who drink water beforehand, suggesting caffeine consumption causes improved cognitive performance. This study is known as a conceptual replication
Mental illnesses of short duration are generally considered to be "acute".
In medicine, portraying a sickness as acute signifies that it is of brief term and, as a result of that, of recent beginning. The quantitation of how much time comprises "short" and "recent" shifts by infection and by setting of the disease, however the main meaning of "acute" is in every case subjectively in opposition with "chronic", which indicates an old and long sickness.
The question is kinda lacking. Probably, it has choices to make the question answerable.