Psychosis and Schizophrenia Flashcards
“Normal” psychotic experiences
- Most children who exhibit psychotic or psychotic-like symptoms do not have a true psychotic disorder
- Transient hallucinations are occasionally observed in preschool children (visual and tactile are most common) and are prognostically benign
- Hypnagogic and hypnopompic hallucinations
DRIVE BY:
- usually anxiety and mood disturbances
psychosis (Defintion)
loss of contact with reality
hallucination (definition)
false perception
delusion (definition)
false belief
illusion (definition)
misinterpretation of a real phenomenon or occurrence
Catalonia (definition)
Motor immobility and behavioral abnormality manifested by stupor; can include extreme loss of motor skills and purposeless hyperactivity
lack of movement, emotion, speech
most common causes of psychosis in children
Hearing things
- Mainly this
Seeing things
Depression
Anxiety
MOST COMMON –> visual and tactile
epidemiology of schizophrenia
→ 1:10,000 children
- Rare before age 13, but the incidence steadily increases during adolescence
- Peak onset is aged 15-30 years
- Before puberty
More common in boys → 2:1 - End of puberty
Equal for boys + girls –> 1:1 - gray matter loss
- early dementia
- once you have it, it doesn’t go away
4 As of schizophrenia
NEGATIVE SYMPTOMS
- Diminished Emotional Expression
- Reductions in the expression of emotions in the face, eye contact, prosody of speech (intonation), and movements of the hands, head and face that give emotional emphasis to speech - Avolition
- Decrease in purposeful activities - Alogia
- Decreased speech output - Anhedonia
- Don’t feel motivated or experience pleasure - Asociality
positive symptoms
DSM favors these
1st rank symptoms
- auditory hallucinatioons
- believing an external force to be acting upon one’s body
- thought withdrawal
- thought insertion
- thought broadcasting
- ideas of reference
schizophrenia
- Delusions
- Hallucinations
- Disorganized speech
- Grossly disorganized or catatonic behavior
- Negative symptoms (ie., diminished emotional expression or avolition)
- Psychosis can happen for lots of reasons
- Dementia
- Drug use
- Trauma
- PTSD
- Personality disorders
schizoaffective disorder
A psychotic disorder that where sometimes the person has major mood swings that can look like mania or depression and meet criteria for that
psychotic mood disorders
Mood disorders (BP or PDD) that go on for a long time and sometimes at its worst movements, people may develop a psychotic state
neuroimaging studies and gray matter changes in adolescent schizophrenia
- Loss in gray matter loss in adolescence
Children lose 4-5x as much gray matter (e.g., neurons and their branch-like extensions) in their frontal lobes as normal teens!!!!
- Rapid deterioration of the brain - A lot of people functioning without the same capacity before puberty or adulthood
good prognostic indicators for schizophrenia
- Acute onset
- Short duration of illness
- Lack of prior psychiatric history
- Presence of affective symptoms or confusion
- Good premorbid adjustment
- Steady work history
- Marriage
- Older age at onset