2016
Brain activity and connectivity in response to negative affective stimuli: Impact of dysphoric mood and sex across diagnoses
MAREČKOVÁ, Klára, Laura M. HOLSEN, Roee ADMON, Nikos MAKRIS, Larry SEIDMAN et. al.Základní údaje
Originální název
Brain activity and connectivity in response to negative affective stimuli: Impact of dysphoric mood and sex across diagnoses
Autoři
MAREČKOVÁ, Klára (203 Česká republika, garant, domácí), Laura M. HOLSEN (840 Spojené státy), Roee ADMON (840 Spojené státy), Nikos MAKRIS (840 Spojené státy), Larry SEIDMAN (840 Spojené státy), Stephen BUKA (840 Spojené státy), Susan WHITFIELD-GABRIELI (840 Spojené státy) a Jill M. GOLDSTEIN (840 Spojené státy)
Vydání
Human Brain mapping, Hoboken, WILEY-BLACKWELL, 2016, 1065-9471
Další údaje
Jazyk
angličtina
Typ výsledku
Článek v odborném periodiku
Obor
30000 3. Medical and Health Sciences
Stát vydavatele
Spojené státy
Utajení
není předmětem státního či obchodního tajemství
Odkazy
Impakt faktor
Impact factor: 4.530
Kód RIV
RIV/00216224:14740/16:00091932
Organizační jednotka
Středoevropský technologický institut
UT WoS
000386075900003
Klíčová slova anglicky
dysphoric mood state; sex; functional magnetic resonance imaging; generalized psychophysiological interaction; negative affect; International Affective Picture System; Research Domain Criteria
Štítky
Změněno: 25. 11. 2016 15:21, Mgr. Eva Špillingová
Anotace
V originále
Negative affective stimuli elicit behavioral and neural responses which vary on a continuum from adaptive to maladaptive, yet are typically investigated in a dichotomous manner (healthy controls vs. psychiatric diagnoses). This practice may limit our ability to fully capture variance from acute responses to negative affective stimuli to psychopathology at the extreme end. To address this, we conducted a functional magnetic resonance imaging study to examine the neural responses to negative valence/high arousal and neutral valence/low arousal images as a function of dysphoric mood and sex across individuals (n=99) who represented traditional categories of healthy controls, major depressive disorder, bipolar psychosis, and schizophrenia. Observation of negative (vs. neutral) stimuli elicited blood oxygen-level dependent responses in the following circuitry: periaqueductal gray, hypothalamus (HYPO), amygdala (AMYG), hippocampus (HIPP), orbitofrontal cortex (OFC), medial prefrontal cortex (mPFC), and greater connectivity between AMYG and mPFC. Across all subjects, severity of dysphoric mood was associated with hyperactivity of HYPO, and, among females, right (R) AMYG. Females also demonstrated inverse relationships between severity of dysphoric mood and connectivity between HYPO - R OFC, R AMYG - R OFC, and R AMYG - R HIPP. Overall, our findings demonstrated sex-dependent deficits in response to negative affective stimuli increasing as a function of dysphoric mood state. Females demonstrated greater inability to regulate arousal as mood became more dysphoric. These findings contribute to elucidating biosignatures associated with response to negative stimuli across disorders and suggest the importance of a sex-dependent lens in determining these biosignatures. Hum Brain Mapp 37:3733-3744, 2016. (c) 2016 Wiley Periodicals, Inc.
Návaznosti
EE2.3.30.0009, projekt VaV |
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LQ1601, projekt VaV |
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