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475194 occurrences (No.33 in the rank) during 5 years in the PubMed. [no cache] 500 found

397) RI-related activity within left middle frontal gyrus and basal ganglia was associated with severity of self-reported cognitive impulsivity.

--- ABSTRACT ---

PMID:24177988 DOI:10.1093/cercor/bht304

2015 Cerebral cortex (New York, N.Y. : 1991)

* Neural substrates of inhibitory control deficits in 22q11.2 deletion syndrome.

- 22q11.2 deletion syndrome (22q11DS) is associated with elevated levels of impulsivity, inattention, and distractibility, which may be related to underlying neurobiological dysfunction due to haploinsufficiency for genes involved in dopaminergic neurotransmission (i.e. catechol-O-methyltransferase). The Stop-signal task has been employed to probe the neural circuitry involved in response inhibition (RI); findings in healthy individuals indicate that a fronto-basal ganglia network underlies successful inhibition of a prepotent motor response. However, little is known about the neurobiological substrates of RI difficulties in 22q11DS. Here, we investigated this using functional magnetic resonance imaging while 45 adult participants (15 22q11DS patients, 30 matched controls) performed the Stop-signal task. Healthy controls showed significantly greater activation than 22q11DS patients within frontal cortical and basal ganglia regions during successful RI, whereas 22q11DS patients did not show increased neural activity relative to controls in any regions. Using the Barratt Impulsivity Scale, we also investigated whether neural dysfunction during RI was associated with cognitive impulsivity in 22q11DS patients. RI-related activity within left middle frontal gyrus and basal ganglia was associated with severity of self-reported cognitive impulsivity. These results suggest reduced engagement of RI-related brain regions in 22q11DS patients, which may be relevant to characteristic behavioral manifestations of the disorder.

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(1)70 of	(13)6 patterns	(25)3 but	(37)2 functional
(2)54 null	(14)5 may	(26)3 changes	(38)2 increased
(3)49 and	(15)5 using	(27)3 for	(39)2 induces
(4)45 in	(16)5 with	(28)3 measured	(40)2 level
(5)17 was	(17)4 at	(29)3 through	(41)2 or
(6)11 against	(18)4 levels	(30)2 Questionnaire	(42)2 over
(7)10 during	(19)4 on	(31)2 after	(43)2 promotion
(8)9 (PA)	(20)4 which	(32)2 between	(44)2 resumption
(9)8 is	(21)4 while	(33)2 calcium	(45)2 than
(10)7 to	(22)3 among	(34)2 compared	(46)2 that
(11)7 were	(23)3 are	(35)2 decreased	(47)2 via
(12)6 by	(24)3 as	(36)2 diary	(48)2 when

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--- WordNet output for activity --- =>活動, 活躍, 働き, 動き, 活気 Overview of noun activity The noun activity has 6 senses (first 3 from tagged texts) 1. (43) activity -- (any specific behavior; "they avoided all recreational activity") 2. (36) action, activity, activeness -- (the state of being active; "his sphere of activity"; "he is out of action") 3. (13) bodily process, body process, bodily function, activity -- (an organic process that takes place in the body; "respiratory activity") 4. activity -- ((chemistry) the capacity of a substance to take part in a chemical reaction; "catalytic activity") 5. natural process, natural action, action, activity -- (a process existing in or produced by nature (rather than by the intent of human beings); "the action of natural forces"; "volcanic activity") 6. activeness, activity -- (the trait of being active; moving or acting rapidly and energetically; "the level of activity declines with age") --- WordNet end ---