Card 38 / 49: As Mary and Bob are leaving for a trip, Mary repeatedly asks Bob if they locked the door on their way out. For their entire trip, Mary cannot stop thinking about the door and worries that someone may break into their house. Mary's thoughts about locking the door are:
A)
compulsions.
B)
obsessions.
C)
both obsessions and compulsions.
D)
neither obsessions nor compulsions.
Answer:
B) obsessions.
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Prof.John GabrieliNeuroscientist
MIT Massachusetts Institute of Technology
USA
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