Which of the following is the best interpretation of research regarding hippocampal volume in cases of posttraumatic stress disorder (PTSD) ?
A) Having smaller-than-normal hippocampal volume is a risk factor for PTSD.
B) Having larger-than-normal hippocampal volume is a risk factor for PTSD.
C) PTSD is toxic to the hippocampus,resulting in reduced volume.
D) The relationship remains unclear.People with small hippocampal volume may be more vulnerable to PTSD,or PTSD may reduce hippocampal volume,or both.
Correct Answer:
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