Lachlan M McDowall
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Explore the profile of Lachlan M McDowall including associated specialties, affiliations and a list of published articles.
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11
Citations
162
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Recent Articles
1.
McDowall L, Fernando S, Ange N, Yun J, Chia K
HeartRhythm Case Rep
. 2019 Nov;
5(10):497-500.
PMID: 31700793
No abstract available.
2.
Furlong T, McDowall L, Horiuchi J, Polson J, Dampney R
Eur J Neurosci
. 2014 Mar;
39(9):1429-38.
PMID: 24617700
Psychological stress evokes increases in sympathetic activity and blood pressure, which are due at least in part to an upward resetting of the baroreceptor-sympathetic reflex. In this study we determined...
3.
Iigaya K, Horiuchi J, McDowall L, Lam A, Sediqi Y, Polson J, et al.
Am J Physiol Regul Integr Comp Physiol
. 2012 Sep;
303(10):R1011-22.
PMID: 23019212
Orexin neurons form a restricted group in the dorsal hypothalamus. The group is centered on the perifornical area within the classic hypothalamic defense area, an area which when activated produces...
4.
Iigaya K, de Figueiredo Muller-Ribeiro F, Horiuchi J, McDowall L, Nalivaiko E, Fontes M, et al.
Am J Physiol Regul Integr Comp Physiol
. 2012 Jul;
303(6):R599-610.
PMID: 22814668
The superior and inferior colliculi are believed to generate immediate and highly coordinated defensive behavioral responses to threatening visual and auditory stimuli. Activation of neurons in the superior and inferior...
5.
Horiuchi J, Atik A, Iigaya K, McDowall L, Killinger S, Dampney R
Am J Physiol Regul Integr Comp Physiol
. 2011 Jul;
301(4):R1088-97.
PMID: 21753144
Activation of central 5-hydroxytryptamine-1A (5-HT(1A)) receptors powerfully inhibits stress-evoked cardiovascular responses mediated by the dorsomedial hypothalamus (DMH), as well as responses evoked by direct activation of neurons within the DMH....
6.
Iigaya K, Horiuchi J, McDowall L, Dampney R
Am J Physiol Regul Integr Comp Physiol
. 2010 May;
299(3):R853-61.
PMID: 20504909
The midbrain periaqueductal gray (PAG) mediates the physiological responses to a wide range of stressors. It consists of four longitudinal columns that have different anatomical connections and functional properties. Previous...
7.
Horiuchi J, McDowall L, Dampney R
J Physiol
. 2009 Sep;
587(Pt 21):5149-62.
PMID: 19752114
Activation of neurons in the dorsomedial hypothalamus (DMH) evokes increases in mean arterial pressure (MAP), sympathetic activity, heart rate (HR) and respiratory activity. Results of previous studies suggest that the...
8.
Horiuchi J, McDowall L, Dampney R
Auton Neurosci
. 2008 Aug;
142(1-2):71-6.
PMID: 18667366
The dorsomedial hypothalamus (DMH) is an essential brain region for the integration of the physiological response to psychological stressors. The cardiovascular components of the response include increases in blood pressure,...
9.
McDowall L, Horiuchi J, Dampney R
Am J Physiol Regul Integr Comp Physiol
. 2007 Aug;
293(4):R1728-35.
PMID: 17715179
Neurons within the dorsomedial hypothalamus (DMH) play a critical role in subserving the cardiovascular and neuroendocrine response to psychological stress. An increase in respiratory activity is also a characteristic feature...
10.
McDowall L, Dampney R
Am J Physiol Heart Circ Physiol
. 2006 May;
291(4):H2003-7.
PMID: 16714364
The logistic sigmoid function curve provides an accurate description of the baroreflex input-output relationship and is the most commonly used equation for this purpose. The threshold (Thr) and saturation (Sat)...