2008
DOI: 10.1038/sj.npp.2008.2
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Testosterone Increases Amygdala Reactivity in Middle-Aged Women to a Young Adulthood Level

Abstract: Testosterone modulates mood and sexual function in women. However, androgen levels decline with age, which may relate to the age-associated change in sexual functioning and the prevalence of mood and anxiety disorders. These effects of testosterone are potentially mediated by the amygdala. In the present study, we investigated whether the age-related decline in androgen levels is associated with reduced amygdala activity, and whether exogenous testosterone can restore amygdala activity. Healthy young and middl… Show more

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Cited by 26 publications
(29 citation statements)
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“…Neuroimaging studies have associated elevated testosterone with exaggerated blood oxygen level dependent (BOLD) responses in amygdala (43)(44)(45) and decreased amygdala-orbitofrontal cortex (OFC) coupling during processing of angry and fearful facial expressions (46,47), with these mechanisms being suggested to mediate recruitment of aggressive behavior by testosterone in response to such threatening social stimuli (48). One interesting question for future research is whether this pathway may also mediate the prosocial effects of testosterone that we observed given that the roles of amygdala and OFC in regulating social behavior are not limited to aggression (49,50).…”
Section: Discussionmentioning
confidence: 99%
“…Neuroimaging studies have associated elevated testosterone with exaggerated blood oxygen level dependent (BOLD) responses in amygdala (43)(44)(45) and decreased amygdala-orbitofrontal cortex (OFC) coupling during processing of angry and fearful facial expressions (46,47), with these mechanisms being suggested to mediate recruitment of aggressive behavior by testosterone in response to such threatening social stimuli (48). One interesting question for future research is whether this pathway may also mediate the prosocial effects of testosterone that we observed given that the roles of amygdala and OFC in regulating social behavior are not limited to aggression (49,50).…”
Section: Discussionmentioning
confidence: 99%
“…During the past decade, pharmacological challenge studies indicate that a single dose of [11,12]; (2) these subcortical brain structures are rich in both androgen and estrogen receptors [30,31,32]; and (3) these regions play a key role in potentiating reactive aggression in animals [33]. Studies outside the scanner have also yielded interesting effects of testosterone on social cognition and behavior.…”
Section: Pharmacological Challenge Studiesmentioning
confidence: 99%
“…Second, there is evidence that levels of aggression do not increase at puberty in humans coincidental with rising testosterone levels [7]. Third, several controlled trials of the impact of long-term injections of testosterone on mood and behavior have produced null results overall [5*: Table 2], although studies of the short-term oral administration of testosterone to women show a range of changes, including features associated with aggression [e.g., 8,9,10], and with greater activity in brain regions associated with aggression [11,12,13].…”
Section: Introductionmentioning
confidence: 99%
“…The study by van Wingen et al (2008) is based on animal studies that testosterone regulates activity in the amygdala of male and female rodents. They report that there is an age-related decline in serum testosterone as well as in amygdala reactivity in women.…”
mentioning
confidence: 99%