검색 상세

Metabolic alterations in the anterior cingulate cortex and related cognitive deficits in late adolescent methamphetamine users

  • 주제(키워드) Adolescents , anterior cingulate cortex , magnetic resonance spectroscopy , methamphetamine N-acetyl aspartate , Stroop interference
  • 주제(기타) Biochemistry & Molecular Biology; Substance Abuse
  • 설명문(일반) [Kim, Jieun E.; Kim, Geon Ha; Kim, Jung Yoon; Kim, Binna; Kang, Ilhyang; Jeon, Saerom; Ma, Jiyoung; Lyoo, In Kyoon; Yoon, Sujung] Ewha Womans Univ, Ewha Brain Inst, 52 Ewhayeodae Gil, Seoul 03760, South Korea; [Kim, Jieun E.; Kim, Jung Yoon; Kang, Ilhyang; Jeon, Saerom; Lyoo, In Kyoon; Yoon, Sujung] Ewha Womans Univ, Dept Brain & Cognit Sci, 52 Ewhayeodae Gil, Seoul 03760, South Korea; [Hwang, Jaeuk] Soonchunhyang Univ, Coll Med, Dept Psychiat, Asan, South Korea; [Renshaw, Perry F.; Yurgelun-Todd, Deborah A.] Univ Utah, Brain Inst, Salt Lake City, UT USA; [Renshaw, Perry F.; Yurgelun-Todd, Deborah A.] Univ Utah, Dept Psychiat, Salt Lake City, UT USA; [Kim, Binna; Ma, Jiyoung] Seoul Natl Univ, Coll Nat Sci, Interdisciplinary Program Neurosci, Seoul, South Korea; [Lyoo, In Kyoon] Ewha Womans Univ, Grad Sch Pharmaceut Sci, Coll Pharm, Seoul, South Korea
  • 관리정보기술 faculty
  • 등재 SCIE, SCOPUS
  • 발행기관 WILEY
  • 발행년도 2018
  • URI http://www.dcollection.net/handler/ewha/000000151825
  • 본문언어 영어
  • Published As http://dx.doi.org/10.1111/adb.12473

초록/요약

The adolescent brain, with ongoing prefrontal maturation, may be more vulnerable to drug use-related neurotoxic changes as compared to the adult brain. We investigated whether the use of methamphetamine (MA), a highly addictive psychostimulant, during adolescence affect metabolic and cognitive functions of the anterior cingulate cortex (ACC). In adolescent MA users (n = 44) and healthy adolescents (n = 53), the levels of N-acetyl aspartate (NAA), a neuronal marker, were examined in the ACC using proton magnetic resonance spectroscopy. The Stroop color-word task was used to assess Stroop interference, which may reflect cognitive functions of behavior monitoring and response selection that are mediated by the ACC. Adolescent MA users had lower NAA levels in the ACC (t= -2.88, P= 0.005) and relatively higher interference scores (t = 2.03, P= 0.045) than healthy adolescents. Moreover, there were significant relationships between lower NAA levels in the ACC and worse interference scores in adolescent MA users (r = -0.61, P< 0.001). Interestingly, early onset of MA use, as compared to late onset, was related to both lower NAA levels in the ACC (t = -2.24, P= 0.03) as well as lower performance on interference measure of the Stroop color-word task (t = 2.25, P= 0.03). The current findings suggest that metabolic dysfunction in the ACC and its related cognitive impairment may play an important role in adolescent-onset addiction, particularly during early adolescence.

more