Psyc3 Flashcards
Neurotransmitter changes in Disease Orientation Amnesias
Neurotransmitter changes in:
-Anxiety
INcreased: NE
DEcreased: GABA, Serotonin
Neurotransmitter changes in:
-Depression
INcreased: N/A
DEcreased: NE, Serotonin, Dopamine
Neurotransmitter changes in:
-Alzheimer’s
INcreased: N/A
DEcreased: Acetylcholine
Neurotransmitter changes in:
-Huntington’s
INcreased: Dopamine
DEcreased: GABA, Acetylcholine
Neurotransmitter changes in:
-Schizophrenia
INcreased: Dopamine
DEcreased: N/A
Neurotransmitter changes in:
-Parkinson’s
INcreased: Serotonin, Acetylcholine
DEcreased: Dopamine
What disorders are associated with a DEcrease in Serotonin?
Anxiety & Depression
*Parkinson’s - INcreased 5-HT
What disorders are associated with a DEcrease in Acetylcholine?
Alzheimer’s & Huntington’s
*Parkinson’s - INcreased ACh
What disorders are associated with a DEcrease in Dopamine?
Depression & Parkinson’s
What disorders are associated with an INcrease in Dopamine?
Huntington’s & Schizophrenia
What disorders are associated with a DEcrease in GABA?
Anxiety & Huntington’s
What does AOx3 mean in a medical chart?
Alert and Oriented to:
- Person
- Place
- Time
Who they are, where they are & date and time
What are common causes of loss of orientation?
Alcohol/Drugs Fluid/Electrolyte imbalance Head trauma Hypoglycemia Nutritional deficiencies
What is the order of loss to person, place, & time?
1st - Time
2nd - Place
3rd - Person
What are the types of Amnesias?
Retrograde
Anterograde
Korsakoff’s
Dissociative
What is retrograde amnesia?
Inability to remember things that occurred BEFORE CNS insult
What is anterograde amnesia?
Inability to remember things that occurred AFTER a CNS insult (no new memory)
What is Korsakoff’s amnesia?
Classic ANTEROGRADE amnesia caused by Thiamine deficiency and the associated destruction of mammillary bodies
*may include some Retrograde amnesia
What is Dissociative amnesia?
Inability to recall important personal information, usually subsequent to severe trauma or stress
