User profiles for Vera Novak

Vera Novak

Associate Professor of Neurology, Beth Israel Deaconess Medical Center, Harvard Medical …
Verified email at bidmc.harvard.edu
Cited by 10994

[HTML][HTML] Foot pressure distribution during walking in young and old adults

MJ Hessert, M Vyas, J Leach, K Hu, LA Lipsitz, V Novak - BMC geriatrics, 2005 - Springer
Background Measurement of foot pressure distribution (FPD) is clinically useful for evaluation
of foot and gait pathologies. The effects of healthy aging on FPD during walking are not …

The relationship between blood pressure and cognitive function

V Novak, I Hajjar - Nature Reviews Cardiology, 2010 - nature.com
The relationship between blood pressure (BP) and cognitive outcomes in elderly adults has
implications for global health care. Both hypertension and hypotension affect brain perfusion …

Physiological complexity and system adaptability: evidence from postural control dynamics of older adults

…, HG Kang, CK Peng, V Novak… - Journal of Applied …, 2010 - journals.physiology.org
The degree of multiscale complexity in human behavioral regulation, such as that required
for postural control, appears to decrease with advanced aging or disease. To help delineate …

Blood pressure and blood flow variation during postural change from sitting to standing: model development and validation

…, LM Ellwein, LA Lipsitz, V Novak - Journal of applied …, 2005 - journals.physiology.org
Short-term cardiovascular responses to postural change from sitting to standing involve
complex interactions between the autonomic nervous system, which regulates blood pressure, …

Autoregulation of cerebral blood flow in orthostatic hypotension

V Novak, P Novak, JM Spies, PA Low - Stroke, 1998 - Am Heart Assoc
Background and Purpose—We sought to evaluate cerebral autoregulation in patients with
orthostatic hypotension (OH). Methods—We studied 21 patients (aged 52 to 78 years) with …

Global and regional effects of type 2 diabetes on brain tissue volumes and cerebral vasoreactivity

…, C De Bazelaire, K Hu, J Cavallerano, V Novak - Diabetes …, 2007 - Am Diabetes Assoc
OBJECTIVE—The aim of this study was to evaluate the regional effects of type 2 diabetes and
associated conditions on cerebral tissue volumes and cerebral blood flow (CBF) regulation…

Influence of respiration on heart rate and blood pressure fluctuations

V Novak, P Novak, J De Champlain… - Journal of Applied …, 1993 - journals.physiology.org
The dynamics of the respiratory and cardiovascular systems were studied by continuously
slowing respiration from 0.46 to 0.05 Hz. The time-frequency distribution and global spectral …

Enhancement of vasoreactivity and cognition by intranasal insulin in type 2 diabetes

V Novak, W Milberg, Y Hao, M Munshi, P Novak… - Diabetes …, 2014 - Am Diabetes Assoc
OBJECTIVE To determine acute effects of intranasal insulin on regional cerebral perfusion
and cognition in older adults with type 2 diabetes mellitus (DM). RESEARCH DESIGN AND …

[HTML][HTML] Advanced BrainAGE in older adults with type 2 diabetes mellitus

K Franke, C Gaser, B Manor, V Novak - Frontiers in aging …, 2013 - frontiersin.org
Aging alters brain structure and function and diabetes mellitus (DM) may accelerate this
process. This study investigated the effects of type 2 DM on individual brain aging as well as the …

Hypocapnia and cerebral hypoperfusion in orthostatic intolerance

V Novak, JM Spies, P Novak, BR McPhee… - Stroke, 1998 - Am Heart Assoc
Background and Purpose—Orthostatic and other stresses trigger tachycardia associated
with symptoms of tremulousness, shortness of breath, dizziness, blurred vision, and, often, …