Dopamine hypothesis - Study guides, Class notes & Summaries

NURS 660 Exam 1 Study Guide 2023. Pathways in schizophrenia  Brain imaging shows cerebral atrophy and enlarged fluid filled ventricles, as well as shrinkage in prefrontal cortex, temporal, basal ganglia, and limbic regions like hippocampus.  Five dopamine pathways in the brain. The neuroanatomy of dopamine neuronal pathways in the brain can explain the symptoms of schizophrenia as well as the therapeutic effects and side effects of antipsychotic drugs. Know different pathways in th...

Final Exam: NR546/ NR 546 (Latest 2024/ 2025 Update) Psychopharmacology for the PMHNP Complete Review (Weeks 5-8) -Questions and Verified Answers -100% Correct-Grade A-Chamberlain Q: neurobiological factors that contribute to mood and mood disorders: Genetics Answer: MDD and BD are heritable disorders -genetic factors 31-42% of the disease risk in MDD and 59-85% in BD -causes of mood disorders complex, likely involve interactions between genetic/epigenetic, biological, psychological, an...

The scientific study of behavior and mental processes is called ____. - Answer-psychology Although the bulk of psychology focuses on human behavior, studying animal behavior has been an essential part of the discipline that allows for ____. - Answer-making essential comparisons with humans The first experimental psychologist and proponent of the structuralist approach, along with his students, was ____. - Answer-Wilhelm Wundt Which of the following proverbs best describes Gestalt theory? - ...

NURS 660 Exam 1 Latest Exam Questions & Answers, All Answers Explained-1. Identify the emerging neurobiological hypothesis of schizophrenia. o The hypothesis: (focus on the most detail with the Dopamine Theory) The only pharmacological treatment that we have are dopamine (D2 receptors) and serotonin (5HT2A) Dopamine Theory ▪ Hyperactive dopamine at D2 receptors in the mesolimbic pathway In the mesolimbic pathway is responsible for the positive symptoms; the hypoactivity is responsible...

HOSA Behavioral Health Test Questions With Answers All Correct Adjustment disorder with depressed mood: - CORRECT ANSWER Adjustment disorder with depressed mood: •Symptoms are similar to those of other depressive disorders and include sleep disturbances, feelings of hopelessness and sadness, loss of self-esteem, irritability, difficulty concentrating, and anhedonia. occurs after a stress full events Persistent depressive disorder - CORRECT ANSWER •Chronic dep...

NRNP 6675 Week 11 Final Exam Questions and Answers 2023/2024 Which of the following are risk factors for neuroleptic malignant syndrome? Select all that apply Discrepancy between anatomical sex and gender is known as? Antipsychotic medication provides D2 blockage in the meso-coritcal pathway causing which of the following effects? Phencyclidine (PCP) and ketamine exert their unique behavioral effects by blocking which of the following receptors? The diagnosis used to describe a syndrome cha...

dopamine hypothesis correct answer: the theory that schizophrenia results from excessive activity of the neurotransmitter dopamine What is the path of dopamine suppression by 5-HT? correct answer: 5-HT2A antagonism by atypical antipsychotics decrease serotonin release, thereby stimulating downstream dopamine. Increased dopamine reduces glutamate which inhibits release of inhibitory GABA (inhibits dopamine) Mesolimbic dopamine hypothesis: Hyperactivity of dopamine neurons in the mesolimbi...

Kaplan and Sadock's Chapter 13 & 26 from Study Guide: Schizophrenia and personality disorders|13.1. Which of the following statements about the dopamine hypothesis of schizophrenia is true? A. Dysregulation of dopaminergic neurotransmission is caused by postsynaptic sensitivity. B. Dopamine release caused by amphetamine challenge is higher during remission. C. Higher amphetamine-provoked dopamine release predicts worsening of psychotic symptoms. D. Overactivity of dopamine in the subcortica...

NR547 Final Exam Questions and Answers Already Passed if a medication is not achieving efficacy: -Increase dose gradually -Switch to a different drug within the same class -Switch to drug in a different class -Add a second medication Use to protect against suicide lithium MDD and BPD genetics genetic factors contribute 31-42% of the disease risk in MDD and 59-85% in BPD monoamine hypothesis of depression -posits that depression occurs as a result of a deficiency of one or all three m...

develop schizophrenia correct answers -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 correct answers -Mesocortical & ventromedial prefrontal cortex: negative and affective symptoms -Dorsolateral: cognitive symptoms -Orbitofrontal & connections to...