Chapter 3 pt 2 Flashcards
the negative symptoms of schizophrenia can be remembered by the “5 As” what are they
anhedonia affect (flat) alogia (poverty of speech) abolition (apathy) attention (poor)
what are examples of catatonia seen in schizophrenia
stereotyped movements, bizarre posturing, and muscle rigidity
what psychiatric exam findings are seen in patients with schizophrenia
disheveled appliance flat affect disorganized thought process intact procedural memory and orientation auditory hallucinations paranoid delusions ideas of reference lack of insight into their disease
what is echolalia
repeats works or phrases
what is echopraxia
mimics behaviors
PRActices behaviors
what is the timeline difference between brief psychotic disorder, schizophreniform, and schizophrenia
brief psychotic is less than 1 month
schizophreniform is 1-6 months
schizophrenia is over 6 months
people born when have higher incidence of schizophrenia
winter and late spring
men have what outcome in schizophrenia compared to women
more negative symptoms
worse prognosis
what is the most common substance used in patients with schizophrenia
nicotine
next is alcohol then cannabis then cocaine
what is the DOWNWARD DRIFT HYPOTHESIS
people suffering from schizophrenia are unable to function well in society and hence end up in lower socioeconomic groups
what is post-psychotic depression
major depressive episode after resolution of their psychotic symptoms
schizophrenia is thought to be partially due to increase what signaling
dopamine in certain neural areas
what are the theorized dopamine pathways affected in schizophrenia
prefrontal cortical: inadequate dopaminergic activity responsible for negative symptoms
mesolithic: excessive dopaminergic signaling responsible for positive symptoms
what other neurotransmitters are implicated in schizophrenia
serotonin- elevated
norepinephrine- elevated
GABA- decreased
glutamate- decreased
what is the lifetime prevalence of schizophrenia
0.3-0.7%