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Lecture 4

PSYCH257 Lecture Notes - Lecture 4: Xerostomia, Nicotine, Avolition


Department
Psychology
Course Code
PSYCH257
Professor
Allison Kelly
Lecture
4

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Psychopathy- Schizophrenia & Psychotic Disorders
Schizophrenia: breakdown in cognitive, emotional, and behavioral dysfunctions
Usually they are no longer experiencing reality in the expected way- psychosis
Affects on average 1% of people- term means “split personality”, named when we didn’t really
understand what it was
Different symptoms: Positive, negative, disorganized.
Positive symptoms: presence of something that is not ordinary, e.g.
Delusions: gross misrepresentations of reality
Bizarre: delusions that are completely ungrounded in reality. (My internal organs have
been removed and replaced! I am responsible for all the world’s violence and sex!)
Non-bizarre: could be plausible, big stretch of the truth (E.g. Nick jonas smiled at me! I
am being spied on! Drug traffickers and police have a secret alliance!)
Delusion of guilt/sin: I am responsible for Paris. I am responsible for all rape.Usually
bizarre.
Somatic: You think your body has been altered somehow (getting disease, growing a
tail). Bizarre or non.
Persecutory: People are talking about me, looking at me funny, people in another
country are plotting my demise. Bizarre or non
Of reference: Random event has special meaning for you. I read a book and it had a
special message for me in it. Usually bizarre.
Grandiose: I have special abilities. I am famous. Someone famous loves me. Bizarre or
non.
Of Being Controlled: a chip is inserted in my brain that controls my thoughts and
feelings. Usually bizarre.
Delusions can make people feel special (e.g. grandiose, of reference).
Hallucinations: Sensory experiences not grounded in reality. Can be auditory, visual, tactile,
somatic, or olfactory (smell).
Most often auditory (most common) and visual.
Auditory hallucinations tend to be persecutory (you’re worthless, we hate you etc) Yet seductive,
making them hard to ignore, and somewhat protective (Don’t eat the poisonous pizza!).
Negative Symptoms:
Absence or insufficiency of normal behavior.
Avolition (difficult time doing stuff)
Alogia (relative absence of speech)
Anhedonia (lack of pleasure, interest)
Affective Flattening: (not much emotion expressed)
Asociality: (not really being interested or able to be social)
Disorganized Symptoms
Erratic behaviors that affect speech, motor behavior, emotions
-Inappropriate affect (laughing at sad things)
-Disorganized behavior (weird clothes, weird movements)
-Catatonia (pacing restlessly, moving your arms in a pattern, holding a rigid pose and being
malleable to others moving you)
find more resources at oneclass.com
find more resources at oneclass.com
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