Unit_4_Psych, Mood, Personality, Addiction Disorder Flashcards
What is SIG E CAPS?
- Sleep (too much/too little)
- Interest (decrease)
- Guilt (increase)
- Energy (decrease)
- Concentration (decreased)
- Appetite (up/down)
- Psychomotor agitation/retardation
- Suicidal Ideation
What does SIG E CAPS describe?
a Major Depressive Episode
MDE
A major Depressive Episode requires _____1_____ or _____2_____ and at least _____3_____ of the criteria for at least 2 weeks, causing serious impairment in functioning.
- depressed mood
- diminished interest (anhedonia)
- needs 5/9 of the SIG E CAPS
What acronym describes Mania and Hypomania?
DIGFAST
What is DIGFAST?
- Distractibility
- Irritability/moody
- Grandiosity
- Flights of Ideas
- Activities (agitation or high risk for bad shit)
- Sleep (decrease need for)
- Talkativeness
What is hypomania?
> 4 days, not marked by impairment in functioning, not psychotic!
If a pt. is psychotic, can they also be hypomanic?
NO!
Hypomania is not ~ psychotic
What is Bipolar 1?
pt. must have MANIA, but ALSO have HYPOMANIA or a MDE.
What is bilpolar 2?
pt. only has HYPOMANIA and MDE
If a pt. only has a MDE, but no Mania or Hypomania, what is this called?
MDE.
simple as shit!
___________: hypomania and subsyndromal depression
Cyclothymia: hypomania and subsyndromal depression
___________: subsyndromal depression
Dysthymia: subsyndromal depression
To be consider Schizophrenia, how long must a Pt. have Sx?
> 6 months
What are the major Sx of Schizophrenia? (5)
- Delusions
- Hallucinations
- Disorganized thinking or speech
- Grossly disoranized or abnormal MOTOR behavior
- Negative Sx
What are negative Sx? (in general)
Sx of loss/decrease of func. i.e.:
- loss/decrase speech,
- flatten affect
- lack of emotions
- asocial
perception like experiences that occur without an external stimulus is known as?
Hallucinations
____________ disorder: if psychotic (Schizo) symptoms are present throughout, but mood symptoms are present majority of time = MDE + psychotic episode
Schizoaffective
What is the time-frame of Schizophreniform disorder?
> 1 month, but less than 6 months
If the pt. has Sx of Schizophrenia for less then one month, what can you call this?
Brief Psychotic disorder.
need to be >6 months for Schizophrenia.
1 month< Schizophreniform disorder <6 months
What are the two major Pharmacotherapy for Psychosis?
Typical & Atypical Anti-psychotics
What is the MOA of typical Anti-psychotics?
= 1st-gen.
Dopamine pathway; D2 antagonism
What is the MOA of ATYPICAL Anti-psychotics?
=2nd-gen.
Serotonin pathways
Psychosis: ?
Characterized by derangement of personality and loss of contact with external reality.
primarily a disorder in thinking.
With regards to Psychosis:
1) Hear voices and have other sensations that are not real = _____________.
2) Believe they are influenced by unseen forces around them = _______________.
3) Being tormented, harmed, followed, tricked, or spied on = _____________
4) Have other disorders in thought, typically idiosyncratic associations that are evidenced in disorganized speech or writing = ____________________
- Hallucinations
- Paranoid Delusions
- Persecutory Delusions
- formal thought disorder
The inability to discern what is real and not real, to think clearly, have normal emotional responses, and act normally in social situations is known as?
Schizophrenia
what are the positive Sx of Schizophrenia?
- Hallucinations, generally auditory.
- Delusions, belief that external forces conspiring against them.
What are the negative Sx of Schizophrenia?
- Inability to pay attention, loss of sense of pleasure, loss of will or drive, disorganized or impoverished thoughts and speech, flattened affect, social withdrawal.
- Cognitive deficits
What is the prevalence of Schizophrenia?
1% of world population; 2.4 million people.
What is the age of onset of Schizophrenia?
late adolescence, early adult. cont. on thru-out life.
manifests as early/dev behavioral dysfunction, social & educational difficulties.
What are the causes of Schizophrenia?
d/t multiple genes interacting with each other and the environment leading to disruption in normal brain dev.
What are some genetic causes of Schizophrenia?
high level of concordance between monozygotic twins.
- Polygenetic disorder
- NOT completely caused by genes!
What are some environmental causes of Schizophrenia?
virus, malnutrition post birth, birth complications, drug abuse (even weed), other unknown psychosocial factors.
What are some drugs that can cause Sx that resemble Schizophrenia?
- Dopamine agonism (cocaine, amphetamine)
- Norepinephrine agonism (cocaine, amphetamine)
- Serotonin agonism (hallucinogens, LSD)
- NMDA antagonism (dissociative anesthetics, phencyclidine, ketamine)
- Acetylcholine antagonism (anticholinergics, atropine)
What is the Dopamine theory of Schizophrenia?
dysreg of dopamine –> psychosis
What is the Glutamate model of Schizophrenia?
glutaminergic hypoactivity –> psychosis.
Glutamate binds dopamine neurons → produce regional hyperactivity and hypoactivity in dopamine neuron release
What regards to the Dopamine theory of Schizophrenia, the Mesolimbic System ~ ___________ Sx?
POSITIVE
What regards to the Dopamine theory of Schizophrenia, the MESOCORTICAL System ~ __________ Sx?
Negative
What regards to the Dopamine theory of Schizophrenia;
Mesolimbic system: dopamine neurons from the _____1_____ release dopamine to _____2_____ → regulate reward pathways and emotional processes associated with _____3_____ symptoms
- VTA
- Nucleus Accumbens
- POSITIVE
What regards to the Dopamine theory of Schizophrenia;
Mesocortical system: dopamine neurons from the VTA and _____1_____ release dopamine to _____2_____ → regulate areas involved in __________3___________ → NEGATIVE symptoms
- substantia nigra
- prefrontal cortex
- cognitive processing and motor control
w.r.t the glutamate model; Glutamate binds dopamine neurons → produce regional hyperactivity and hypoactivity in dopamine neuron release →
Persistent elevation of dopamine in nucleus accumbens (_____1_____ system) and decreases in dopamine release in prefrontal cortex (____2____ system)
- mesolimbic
2. Mesocortical
w.r.t the glutamate model; Glutamate binds dopamine neurons → produce regional hyperactivity and hypoactivity in dopamine neuron release →
Persistent elevation of dopamine in _____1_____ (mesolimbic system) and decreases in dopamine release in _____2______ (mesocortical system)
- nucleus accumbens
2. prefrontal cortex
What is the GAGAergic model of Schizophrenia?
reduced parvalbumin positive interneurons in laminar III of prefrontal cortex.
Reduced parvalbumin positive interneurons in laminar III of prefrontal cortex is which model of Schizophrenia?
GAGAergic model of Schizophrenia
What are the Main Neuropathological Findings in Schizophrenia? (4)
1) decreased size and packing density of pyramidal neurons in PFC
2) Reduced GABAergic interneuron proteins and neuronal function in layer III of DLPFC
Inhibitory interneuron deficit - in number, expression of various peptides and proteins, and migration from cortical subplate
3) Decreased dendritic spines and presynaptic axonal inputs
4) Decreased cortical gray matter and enlargement of lateral ventricles