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LiteratureOverview.txt
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LiteratureOverview.txt
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Neuropsych - SAD paper Liv:
29 SAD, 30 HC
cognition features:
* working memory - Letter-number Sequencing task (LNS)
* cognitive processing speed - the Symbol Digit Modalities Test (SDMT)
* motor speed - Simple Reaction Time (SRT) Note: They log transformed (loge) SRT data, yielding normally distributed residuals.
all show a significant group difference
covariates:
* seasonal test order - summer-winter or winter-summer
* age
* sex
* IQ in terms of RIST
Neuropsych - SAD paper Personality:
29 SAD, 30 HC
personality features from NEO Personality Inventory-Revised (NEO PI-R) :
* Neuroticism
* Extraversion
* Openness
* Agreeableness
* Conscientiousness
only significant for neuroticism; htere is a group by season interaction for extraversion and openness
PET - Brenda's Brain paper:
17 SAD, 23 HC
patients with seasonal affective disorder had higher serotonin transporter than the healthy control subjects (P = 0.01) in winter only!
global BPnd as defined as sum(bnpnd * volume)/total volume
signififcant group effect for seasonal chnage
covariates:
* age
* genotype
* sex
There was a significant differences in the summer and winter measurements for healthy controls in inj. mass
fMRI - Camilla's paper:
17 SAD, 15 HC <- why are there so much fewer HCs?
Compared to healthy controls, SAD individuals showed significantly lower amygdala reactivity to all faces, independent of season, with no evidence for a season-by-group interaction
covariates:
* scan order
* age
* sex
* neuroticism
*
5-HTTLPR genotype
none of the covariates were significant though
Unpublished data from us:
17 SAD and 23 HC individuals have [11C]DASB PET scans at summer and winter
Martin and Brenda are currently looking at this.