Physical illness symptoms ± increase or decrease or variation in normal bodily function. Due to change in normal anatomical structure (e.g. fever and hypothermia) Mental illness symptoms ± high or low or variation in normal mental functions (thinking, emotions, perception, cognition). Due to change in neuro circuits, neurotransmissions (e.g. fear, mood)
Every person have life time prevalence of mental illness symptoms
When to diagnose mental disorder
- Changes in thinking, emotions, perception and cognition - Change in talk and behaviour (Different from previous personality or from norms of society. - Distress and suffering to patient and other - Dysfunctioning (Daily activities, work, relationship)
Examples 1) Sadness + distress + I. P. R. difficulties + social life dysfunction Depression 2) Impaired reality +distress + I. P. R. difficulties + social dysfunction Psychotic disorder
Lower Animals
Poorly developed brain
violence for survival (food & sex)
Human
Highly developed cerebral cortex Higher functions
Social evolution Social norms Acquiring status or resources Success
(Shortcut) Exploiting Social norms (Crime) Grabbing status & resources ? success
Mentally ill
defect in brain functioning
crime for defense.
Lower Animals
Poorly developed brain
violence for survival (food & sex)
Human
Highly developed cerebral cortex Higher functions
Social evolution Social norms Acquiring status or resources Success
(Shortcut) Exploiting Social norms (Crime) Grabbing status & resources ? success