Exam (elaborations)
NR606 WEEK 4 QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
- Course
- Institution
NR606 WEEK 4 QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
[Show more]
Content preview
NR606 WEEK 4 QUESTIONS ANDANSWERS WITH SOLUTIONS 2024
develop schizophrenia - ANSWER -Many genes play a role
• as do epigenetic factors
• Heritability as high as 79%
-gene-environment interaction
-Environmental Triggers:
• Regular Cannabis Use
• Exposure to Early Life Trauma
➣Sexual Abuse
➣Emotional Abuse
➣Emotional Neglect
➣Bullying
schizophrenia Neuroanatomy - ANSWER -Mesocortical & ventromedial prefrontal cortex: negative and
affective symptoms
-Dorsolateral: cognitive symptoms
-Orbitofrontal & connections to the amygdala: aggressive, impulsive symptoms
Brain Circuits Affected in Schizophrenia: - ANSWER -Dopamine Pathways
• explain the (+) & (-) symptoms seen in schizophrenia & psychosis
Dopamine Role in Psychosis - ANSWER -leading hypothesis
• psychosis & schizophrenia associated with dysfunction of neurotransmitter dopamine (DA)
➣Traditionally surplus of dopamine
,Glutamate Role in Psychosis - ANSWER -primary excitatory neurotransmitter
-implicated in the overactivity of mesolimbic DA pathway in schizophrenia
-Glutamate hypoactivity may result in lost activation of the mesocortical dopamine pathway leading to
negative symptoms of schizophrenia
GABA is the primary _________ neurotransmitter - ANSWER inhibitory
Clinical domains of psychosis symptoms: Positive Symptoms - ANSWER -Hallucinations
-Delusions
-Thought disorder
-Hostility
-Excitability
Clinical domains of psychosis symptoms: Motor Symptoms - ANSWER -Motor delay
-Dyscoordination
-EPS, e.g.
• Parkinsonism
• Dyskinesia
Clinical domains of psychosis symptoms: Affective Symptoms - ANSWER -Depression
-Anxiety
-Suicidality
Clinical domains of psychosis symptoms: Cognition - ANSWER -Attention
-Working memory
-Verbal memory
-Visual memory
-Executive functioning
-Processing speed
, -Social conditioning
Clinical domains of psychosis symptoms: Negative Symptoms - ANSWER -Affective flattening
-Alogia
-Anhedonia
-Amotivation
-Asociality
Hallucinations: - ANSWER -perceptual experiences in the absence of external stimuli
• Auditory
• Visual
• Tactile (feeling)
• Olfactory
• Gustatory (tasting)
Delusions: - ANSWER -fixed false, irrational beliefs
• Persecution: delusions related to being threatened, victimized, or spied on
• Reference: delusions related to receiving personal messages from television (tv), radio, or actions of
others
• Somatic: delusions related to the body, including illness or the presence of foreign objects (e.g.
Sometimes people believe there are objects in their bodies; for example they might think they are
infested with insects.)
• Grandeur: delusions related to beliefs of special abilities or powers
• Control: delusions that actions and thoughts are controlled by others
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Performance. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
72042 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now