Subcortical Variable Explanation
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VariableDescription
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Diagnosis - current dichotomous
PTSD or control. Indicate instrument used for diagnosis of lifetime PTSD, e.g. SCID, CAPS or equivalent structured clinical interview (e.g. K-SADS). For cases without structured clinical interview, provide diagnosis from self-report and indicate, PCL, PSS, or DTS and cutoff used.
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Symptom Severity - LifetimeProvide score and indicate source such as CAPS.
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Diagnosis – Current Dichotomous
PTSD or control. Indicate instrument used for diagnosis of lifetime PTSD, e.g. SCID, CAPS or equivalent structured clinical interview (e.g. K-SADS). For cases without structured clinical interview, provide diagnosis from self-report and indicate, PCL, PSS, or DTS and cutoff used.
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Symptom Severity - CurrentProvide score and indicate source such as CAPS, PCL, DTS, or PSS etc.
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Subcortical Volumes
Indicate source, FreeSurfer or FIRST and indicate version number e.g. 5.3. Provide Left and Right Volumes for amygdala, accumbens, caudate, hippocampus, lateral ventricle, pallidum, putamen, thalamus.
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Intercranial VolumesIndicate source of intracranial volume e.g. FreeSurfer, SPM etc., use same voxel size as volume of subcortical measures.
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Childhood Trauma ExposureIndicate 0, 1, or 2 where 0=no childhood trauma, 1=one type of trauma (e.g. physical abuse only), 2=two or more types of trauma. Indicate source such as CTQ, TLEQ etc.
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Alcohol Use ScoreIndicate source (e.g. AUDIT) or indicate exclusion for enrollment in study.
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ScannerIndicate manufacturer and field strength.
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Adult Trauma ExposureIndicate adult score and source e.g. TLEQ, CES.
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SexIndicate self-report of sex. M for male, F for Female.
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AgeIndicate age in years at the time of MRI scan
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Depression ScoreIndicate source such as Beck Depression Inventory, Hamilton Depression, etc.
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