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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Brain+Inform
2016 ; 3
(4
): 221-231
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Frontal lobe regulation of blood glucose levels: support for the limited capacity
model in hostile violence-prone men
#MMPMID27747812
Walters RP
; Harrison PK
; Campbell RW
; Harrison DW
Brain Inform
2016[Dec]; 3
(4
): 221-231
PMID27747812
show ga
Hostile men have reliably displayed an exaggerated sympathetic stress response
across multiple experimental settings, with cardiovascular reactivity for blood
pressure and heart rate concurrent with lateralized right frontal lobe stress
(Trajanoski et al., in Diabetes Care 19(12):1412-1415, 1996; see Heilman et al.,
in J Neurol Neurosurg Psychiatry 38(1):69-72, 1975). The current experiment
examined frontal lobe regulatory control of glucose in high and low hostile men
with concurrent left frontal lobe (Control Oral Word Association Test [verbal])
or right frontal lobe (Ruff Figural Fluency Test [nonverbal]) stress. A
significant interaction was found for Group × Condition, F (1,22) = 4.16, p ? .05
with glucose levels (mg/dl) of high hostile men significantly elevated as a
function of the right frontal stressor (M = 101.37, SD = 13.75) when compared to
the verbal stressor (M = 95.79, SD = 11.20). Glucose levels in the low hostile
group remained stable for both types of stress. High hostile men made
significantly more errors on the right frontal but not the left frontal stressor
(M = 17.18, SD = 19.88) when compared to the low hostile men (M = 5.81,
SD = 4.33). These findings support our existing frontal capacity model of
hostility (Iribarren et al., in J Am Med Assoc 17(19):2546-2551, 2000; McCrimmon
et al., in Physiol Behav 67(1):35-39, 1999; Brunner et al., in Diabetes Care
21(4):585-590, 1998), extending the role of the right frontal lobe to regulatory
control over glucose mobilization.