Schizophrenia Spectrum Disorders

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created 3 years ago by alexoneil
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1

Symptoms

Positive - Added to "normal" experience

Negative - Taken away from "normal experience

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Positive symptoms

Delusions, hallucinations

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Negative symptoms

Anhedonia, flat affect, amotivation, alogia, problems with cognitive functioning

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Risk factors for schizophrenia

Genetic and environmental

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Delusions

False beliefs that are often fixed and hard to change even when the person is presented with conflicting information

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Persecutory deusions

Someone is out to get you

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Grandiose delusions

What you do or say will change the entire world. (king, the chosen one, someone of high importance)

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Reference delusions

Often about finding pattern or meaning in things that aren't really meaningful. (numbers in lottery tickets have some hidden meaning)

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Thought insertion delusions

Someone is trying to get into your mind and steal your thoughts

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Hallucinations

Perceptual experience that occurs even when there is no stimulus in the outside world generating the experiences

Auditory (most common)

Visual

Olfactory

Gustatory

Somatic (something on skin, itchy)

Disorganized speech (random writing that no one understands)

Disorganized behavior (freeze body in strange positions, arm is glued to one spot)

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Anhedonia

Negative symptom, means there is a disruption in pleasure seeking.

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Amotivation

Negative symptom, means one cannot bring themself to seek pleasure

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Flat affect

Negative symptom, means maladaptive or extreme evenness in emotionality

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Alogia

Negative symptom, means to have trouble grabbing words out of head to communicate. They may say the wrong word or can't think of the word

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Problems with cognitive functioning

Episodic memory, working memory, processing speed, attention

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Genetic risk factors

- there is no schizophrenic gene

- Heterogeneous disorder (people will experience it differently)

- Genes are associated with other mental health conditions

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Environmental risk factors

- Problems during pregnancy

- Complications at birth

- Children born to older fathers

- Cannabis use

- General environmental stress (childhood stress)