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List of works by Ronald Harper

A description of externally recorded womb sounds in human subjects during gestation.

scientific article

A method for removal of global effects from fMRI time series

A prospective observational cohort study of exposure to womb-like sounds to stabilize breathing and cardiovascular patterns in preterm neonates

scientific article published on 07 June 2017

Aberrant Insular Functional Network Integrity in Patients with Obstructive Sleep Apnea

scientific article published on 15 January 2016

Aberrant central nervous system responses to the Valsalva maneuver in heart failure

scientific article published in January 2007

Aberrant neural responses to cold pressor challenges in congenital central hypoventilation syndrome

scientific article

Abnormal myelin and axonal integrity in recently diagnosed patients with obstructive sleep apnea.

scientific article

Accelerated Echo Planer J-resolved Spectroscopic Imaging of Putamen and Thalamus in Obstructive Sleep Apnea.

scientific article published on 06 September 2016

Affective brain areas and sleep-disordered breathing

scientific article

Age-related regional brain T2-relaxation changes in healthy adults

scientific article

Altered global and regional brain mean diffusivity in patients with obstructive sleep apnea

scientific article

Altered resting-state hippocampal and caudate functional networks in patients with obstructive sleep apnea.

scientific article published on 10 May 2018

Association of peri-ictal brainstem posturing with seizure severity and breathing compromise in patients with generalized convulsive seizures

scientific article published on 02 December 2020

Associations between brain white matter integrity and disease severity in obstructive sleep apnea

scientific article published on 18 June 2016

Autonomic Nervous System in Alte and Sids: Is Confluent Vulnerability During Development A Valid Unifying Hypothesis?

scientific article published on 13 April 2007

Brain Regulatory Mechanisms Underlying Breathing: Insights for Sleep Pathology

scholarly article published 2012

Brain axial and radial diffusivity changes with age and gender in healthy adults

scientific article

Brain axonal and myelin evaluation in heart failure

scientific article

Brain injury in autonomic, emotional, and cognitive regulatory areas in patients with heart failure

scientific article published on 23 December 2008

Brain metabolites in autonomic regulatory insular sites in heart failure

scientific article

Brain morphology associated with obstructive sleep apnea

scientific article published in November 2002

Brain putamen volume changes in newly-diagnosed patients with obstructive sleep apnea

scientific article published on 31 January 2014

Brain responses associated with the Valsalva maneuver revealed by functional magnetic resonance imaging

scientific article published in December 2002

Brain structural changes in obstructive sleep apnea

scientific article published on July 2008

CENTRAL NEURAL MECHANISMS UNDERLYING DISORDERED BREATHING AND CARDIOVASCULAR CONTROL DURING SLEEP

Calculating rhythmicity of infant breathing using wavelets

scholarly article

Central nervous system changes in pediatric heart failure: a volumetric study.

scientific article

Central nervous system injury and neurobiobehavioral function in children with brain tumors: a review of the literature

scientific article published on March 2013

Cerebellar, limbic, and midbrain volume alterations in sudden unexpected death in epilepsy

scientific article published on 14 March 2019

Cerebral blood flow velocity and vasomotor reactivity during autonomic challenges in heart failure

scientific article

Clinical Assessment Using Magnetic Resonance Imaging Detects Brain Injury to Regions that Control Memory and Executive Function in Heart Failure

article published in 2012

Cognitive test performance and brain pathology

scientific article published in March 2008

Congenital central hypoventilation syndrome and the PHOX2B gene: a model of respiratory and autonomic dysregulation

scientific article

Correlations between Waist and Neck Circumferences and Obstructive Sleep Apnea Characteristics

scientific article published on 15 May 2018

Decreased cortical thickness in central hypoventilation syndrome

scientific article

Detecting variable responses in time-series using repeated measures ANOVA: Application to physiologic challenges

scientific article

Development of T2-relaxation values in regional brain sites during adolescence

scientific article

Differential responses of the insular cortex gyri to autonomic challenges

scientific article

Diffusion Tensor Imaging and Neurobehavioral Outcome in Children With Brain Tumors Treated With Chemotherapy

scientific article published on 27 July 2015

Diffusion tensor imaging demonstrates brainstem and cerebellar abnormalities in congenital central hypoventilation syndrome

scientific article

Dilated basilar arteries in patients with congenital central hypoventilation syndrome.

scientific article published on 12 October 2009

Disrupted functional brain network organization in patients with obstructive sleep apnea

scientific article published on February 2016

Dysfunctional Brain Networking among Autonomic Regulatory Structures in Temporal Lobe Epilepsy Patients at High Risk of Sudden Unexpected Death in Epilepsy.

scientific article published on 16 October 2017

Elevated mean diffusivity in widespread brain regions in congenital central hypoventilation syndrome

scientific article

Epiglottis cross-sectional area and oropharyngeal airway length in male and female obstructive sleep apnea patients

scientific article published on 03 October 2016

FMRI responses to hyperoxia in congenital central hypoventilation syndrome

scientific article

Fish oil (n-3 fatty acids) in drug resistant epilepsy: a randomised placebo-controlled crossover study

scientific article published on 8 September 2014

Functional Imaging of Autonomic Regulation: Methods and Key Findings

scientific article

Functional Organization of the Insula in Men and Women with Obstructive Sleep Apnea during Valsalva

scientific article published on 27 June 2020

Functional abnormalities in brain areas that mediate autonomic nervous system control in advanced heart failure

scientific article

Functional magnetic resonance imaging during hypotension in the developing animal

scientific article

Functional magnetic resonance signal changes in neural structures to baroreceptor reflex activation

scientific article published on 17 October 2003

Functional neuroanatomy and sleep-disordered breathing: implications for autonomic regulation.

scientific article

Geniohyoid muscle properties and myosin heavy chain composition are altered after short-term intermittent hypoxic exposure

scientific article published on 19 November 2004

Global BOLD MRI changes to ventilatory challenges in congenital central hypoventilation syndrome.

scientific article published in December 2003

Global and Regional Brain Non-Gaussian Diffusion Changes in Newly Diagnosed Patients with Obstructive Sleep Apnea

scientific article

Global and regional brain mean diffusivity changes in patients with heart failure

scientific article

Global and regional putamen volume loss in patients with heart failure

scientific article

Global brain blood-oxygen level responses to autonomic challenges in obstructive sleep apnea

scientific article

Heart rate responses to autonomic challenges in obstructive sleep apnea

scientific article

Hippocampal volume reduction in congenital central hypoventilation syndrome

scientific article

Hyperoxic brain effects are normalized by addition of CO2

scientific article published in May 2007

Images in sleep medicine. Altered cerebral blood flow in a patient with congenital central hypoventilation syndrome

scientific article

Impaired cerebellar and limbic responses to the valsalva maneuver in heart failure

scientific article published in December 2012

Impaired neural structure and function contributing to autonomic symptoms in congenital central hypoventilation syndrome

scientific article

Incidence, Recurrence, and Risk Factors for Peri-ictal Central Apnea and Sudden Unexpected Death in Epilepsy

scientific article published on 01 March 2019

Inspiratory loading elicits aberrant fMRI signal changes in obstructive sleep apnea.

scientific article published in July 2005

Insular cortex metabolite changes in obstructive sleep apnea

scientific article published on May 2014

Intermittent hypoxia damages cerebellar cortex and deep nuclei

scientific article published on 2 December 2004

Late-developing rostral ventrolateral medullary surface responses to cardiovascular challenges during sleep

scientific article published in September 2003

Lateralized Resting-State Functional Brain Network Organization Changes in Heart Failure

scientific article

Limbic and paralimbic structures driving ictal central apnea

scientific article published on 11 January 2019

Mammillary bodies and fornix fibers are injured in heart failure

scientific article published on 31 October 2008

Mammillary body and fornix injury in congenital central hypoventilation syndrome

scientific article

Neural alterations and depressive symptoms in obstructive sleep apnea patients

scientific article published on August 2008

Neural alterations associated with anxiety symptoms in obstructive sleep apnea syndrome

scientific article

Neural and physiological responses to a cold pressor challenge in healthy adolescents

scientific article

Neural responses during Valsalva maneuvers in obstructive sleep apnea syndrome

scientific article published in November 2002

Neural responses to intravenous serotonin revealed by functional magnetic resonance imaging

scientific article published on January 1, 2002

Neuroanatomic deficits in congenital central hypoventilation syndrome

scientific article published on July 2005

Neuroimaging of Sudden Unexpected Death in Epilepsy (SUDEP): Insights From Structural and Resting-State Functional MRI Studies

scientific article published on 05 March 2019

Neuromodulation of Limb Proprioceptive Afferents Decreases Apnea of Prematurity and Accompanying Intermittent Hypoxia and Bradycardia

scientific article

Non-Gaussian Diffusion Imaging Shows Brain Myelin and Axonal Changes in Obstructive Sleep Apnea

scientific article published on 31 October 2016

Obstructive sleep apnea and cortical thickness in females and males.

scientific article published on 6 March 2018

Obstructive sleep apnea is associated with altered midbrain chemical concentrations

scientific article published on 8 September 2017

Obstructive sleep apnea is associated with low GABA and high glutamate in the insular cortex.

scientific article published on 4 February 2016

Peri-ictal hypoxia is related to extent of regional brain volume loss accompanying generalized tonic-clonic seizures

scientific article published on 19 July 2020

Perinatal intermittent hypoxia alters γ-aminobutyric acid: a receptor levels in rat cerebellum

scientific article

Postconvulsive central apnea as a biomarker for sudden unexpected death in epilepsy (SUDEP)

scientific article published on 19 December 2018

Postictal serotonin levels are associated with peri-ictal apnea

scientific article published on 04 September 2019

Progressive gray matter changes in patients with congenital central hypoventilation syndrome

scientific article published on 16 February 2012

RMSSD, a measure of vagus-mediated heart rate variability, is associated with risk factors for SUDEP: The SUDEP-7 Inventory

scientific article published on July 27, 2010

Reduced mammillary body volume in patients with obstructive sleep apnea

scientific article

Reduced regional brain cortical thickness in patients with heart failure

scientific article published on 11 May 2015

Reduced regional cerebral blood flow in patients with heart failure

scientific article published on 30 May 2017

Regional Brain Tissue Changes and Associations with Disease Severity in Children with Sleep Disordered Breathing.

scientific article published on 15 December 2017

Regional brain axial and radial diffusivity changes during development

scientific article

Regional brain gray matter loss in heart failure

scientific article published on 25 April 2003

Regional brain response patterns to Cheyne-Stokes breathing

scientific article

Regional cerebral blood flow alterations in obstructive sleep apnea

scientific article published on 26 September 2013

Regional cortical thickness changes accompanying generalized tonic-clonic seizures

scientific article published on 18 July 2018

Regional hippocampal damage in heart failure

scientific article

Relationship between obstructive sleep apnea severity and sleep, depression and anxiety symptoms in newly-diagnosed patients

scientific article

Response

scientific article published on 10 April 2013

Ripples on spikes show increased phase-amplitude coupling in mesial temporal lobe epilepsy seizure-onset zones

scientific article published on 10 October 2016

Rostral brain axonal injury in congenital central hypoventilation syndrome

scientific article

Serum serotonin levels in patients with epileptic seizures

scientific article published on 17 May 2018

Sex Differences in Insular Cortex Gyri Responses to the Valsalva Maneuver

scientific article published on 09 June 2016

Sex differences in insular cortex gyri responses to a brief static handgrip challenge

scientific article

Sex differences in white matter alterations accompanying obstructive sleep apnea

scientific article

Sex-specific hippocampus volume changes in obstructive sleep apnea

scientific article published on 27 July 2018

Signs and symptoms of sleep-disordered breathing in trauma survivors: a matched comparison with classic sleep apnea patients

scientific article published in June 2006

Sleep-disordered breathing: effects on brain structure and function

scientific article

Structural and functional brain abnormalities in Congenital Central Hypoventilation Syndrome

Structural brain alterations in children an average of 5 years after surgery and chemotherapy for brain tumors.

scientific article

Structural imaging biomarkers of sudden unexpected death in epilepsy

scientific article

Structural mechanisms underlying autonomic reactions in pediatric arousal

scientific article published in December 2002

Temporal trends of cardiac and respiratory responses to ventilatory challenges in congenital central hypoventilation syndrome

scientific article

The association of serotonin reuptake inhibitors and benzodiazepines with ictal central apnea

scientific article published on 10 July 2019

The incidence and significance of periictal apnea in epileptic seizures.

scientific article

To breathe, perchance to sleep: sleep-disordered breathing and chronic insomnia among trauma survivors

scientific article

Visual assessment of brain magnetic resonance imaging detects injury to cognitive regulatory sites in patients with heart failure

scientific article

Water Exchange across the Blood-Brain Barrier in Obstructive Sleep Apnea: An MRI Diffusion-Weighted Pseudo-Continuous Arterial Spin Labeling Study

scientific article

fMRI responses to cold pressor challenges in control and obstructive sleep apnea subjects.

scientific article published on 3 January 2003