Mental Disorders Overview

There are many different mental disorders, with different presentations. They are generally characterized by a combination of abnormal thoughts, perceptions, emotions, behavior and relationships with others.

Mental disorders include: depression, bipolar affective disorder, schizophrenia and other psychoses, dementia, intellectual disabilities and developmental disorders including autism.

Link to Mental Disorders Hub

Initial Overview based on Wikipedia entry Jan. 5, 2016.

Depression Overview

Depression is a state of low mood and aversion to activity that can affect a person’s thoughts, behavior, feelings, etc.[1][2] Depressed people can feel sad, anxious, empty, hopeless, helpless, worthless, guilty, irritable or restless.

Most biological theories focus on the monoamine chemicals serotonin, norepinephrine and dopamine, which are naturally present in the brain and assist communication between nerve cells.

Starting point this wikipedia entry from April 27, 2016.

Schizophrenia Overview

The underlying mechanisms of schizophrenia, a mental disorder characterized by a disintegration of the processes of thinking and of emotional responsiveness, are complex.

A number of theories attempt to explain the link between altered brain function and schizophrenia. One of the most important is the dopamine hypothesis. A leading hypothesis treats schizophrenia as a neurodevelopmental and neurodegenerative disease.

Starting point this Wikipedia entry April 27, 2014

No link between psychedelics and psychosis

In large US survey, users of LSD and similar drugs were no more likely to have mental-health conditions than other respondents.

Data from population surveys in the United States challenge public fears that psychedelic drugs such as LSD can lead to psychosis and other mental-health conditions and to increased risk of suicide, two studies have found.

Nature News March 2015 by Zoe Cormier

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