Psychomotor speed in hypertension: Effects of reaction time components, stimulus modality, and phase of the cardiac cycle

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@article{cdd57fce449e47c9bebf9ccd837e79cf,
title = "Psychomotor speed in hypertension: Effects of reaction time components, stimulus modality, and phase of the cardiac cycle",
abstract = "Hypertension is characterized by cognitive deficits. As evidence for impaired psychomotor speed, including slower reaction times, is mixed, we aimed to provide a detailed investigation of simple reaction time in hypertension. Pre-motor and motor reaction times were measured across the cardiac cycle in 30 hypertensives and 29 normotensives to determine the effects of phasic and tonic blood pressure on performance. Auditory, visual, and tactile simple reaction time tasks were completed with stimuli presented 0, 300, and 600 ms after the R-wave of the electrocardiogram. Reaction times did not differ between hypertensives and normotensives. Although pre-motor reaction times were faster during the late phase than the early phase of the cardiac cycle whereas motor reaction times were unchanged, this effect was similar for hypertensives and normotensives. No sensory-motor deficits were evident in these hypertensives regardless of baroreceptor activity.",
keywords = "psychomotor speed, hypertension, cardiac cycle time, simple reaction time, cognitive function",
author = "Louisa Edwards and Christopher Ring and David McIntyre and Douglas Carroll and Una Martin",
year = "2007",
month = may,
day = "1",
doi = "10.1111/j.1469-8986.2007.00521.x",
language = "English",
volume = "44",
pages = "459--468",
journal = "Psychophysiology",
issn = "0048-5772",
publisher = "Wiley Online Library",
number = "3",

}

RIS

TY - JOUR

T1 - Psychomotor speed in hypertension: Effects of reaction time components, stimulus modality, and phase of the cardiac cycle

AU - Edwards, Louisa

AU - Ring, Christopher

AU - McIntyre, David

AU - Carroll, Douglas

AU - Martin, Una

PY - 2007/5/1

Y1 - 2007/5/1

N2 - Hypertension is characterized by cognitive deficits. As evidence for impaired psychomotor speed, including slower reaction times, is mixed, we aimed to provide a detailed investigation of simple reaction time in hypertension. Pre-motor and motor reaction times were measured across the cardiac cycle in 30 hypertensives and 29 normotensives to determine the effects of phasic and tonic blood pressure on performance. Auditory, visual, and tactile simple reaction time tasks were completed with stimuli presented 0, 300, and 600 ms after the R-wave of the electrocardiogram. Reaction times did not differ between hypertensives and normotensives. Although pre-motor reaction times were faster during the late phase than the early phase of the cardiac cycle whereas motor reaction times were unchanged, this effect was similar for hypertensives and normotensives. No sensory-motor deficits were evident in these hypertensives regardless of baroreceptor activity.

AB - Hypertension is characterized by cognitive deficits. As evidence for impaired psychomotor speed, including slower reaction times, is mixed, we aimed to provide a detailed investigation of simple reaction time in hypertension. Pre-motor and motor reaction times were measured across the cardiac cycle in 30 hypertensives and 29 normotensives to determine the effects of phasic and tonic blood pressure on performance. Auditory, visual, and tactile simple reaction time tasks were completed with stimuli presented 0, 300, and 600 ms after the R-wave of the electrocardiogram. Reaction times did not differ between hypertensives and normotensives. Although pre-motor reaction times were faster during the late phase than the early phase of the cardiac cycle whereas motor reaction times were unchanged, this effect was similar for hypertensives and normotensives. No sensory-motor deficits were evident in these hypertensives regardless of baroreceptor activity.

KW - psychomotor speed

KW - hypertension

KW - cardiac cycle time

KW - simple reaction time

KW - cognitive function

U2 - 10.1111/j.1469-8986.2007.00521.x

DO - 10.1111/j.1469-8986.2007.00521.x

M3 - Article

C2 - 17433098

VL - 44

SP - 459

EP - 468

JO - Psychophysiology

JF - Psychophysiology

SN - 0048-5772

IS - 3

ER -