Results 61 to 70 of about 48,831 (256)

Widespread depolarization during expiration: A source of respiratory drive? [PDF]

open access: yes, 2014
Respiration influences various pacemakers and rhythms of the body during inspiration and expiration but the underlying mechanisms are relatively unknown.
Barnes, Vernon A.   +3 more
core  

Absence seizures: Update on signaling mechanisms and networks

open access: yesEpilepsia Open, EarlyView.
Abstract Absence seizures (AS) are a hallmark of genetic generalized epilepsies (GGE), characterized by brief episodes of impaired consciousness accompanied by electroencephalographic spike‐and‐wave discharges (SWDs). Traditionally attributed to cortico‐thalamo‐cortical (CTC) dysrhythmia, emerging evidence suggests a more intricate pathophysiological ...
Ozlem Akman, Filiz Onat
wiley   +1 more source

Hyperventilation in panic disorder patients and healthy first-degree relatives

open access: yesBrazilian Journal of Medical and Biological Research, 2000
Our aim was to observe the induction of panic attacks by a hyperventilation challenge test in panic disorder patients (DSM-IV) and their healthy first-degree relatives. We randomly selected 25 panic disorder patients, 31 healthy first-degree relatives of
A.E. Nardi   +5 more
doaj   +1 more source

Utility of Fear Severity and Individual Resilience Scoring as a Surge Capacity, Triage Management Tool during Large-Scale, Bio-event Disasters [PDF]

open access: yes, 2006
Threats of bioterrorism and emerging infectious disease pandemics may result in fear related consequences. Fear based signs and symptoms, if left undetected and untreated, may be extremely debilitating and lead to chronic problems with risk of permanent ...
Bracha, H. Stefan   +1 more
core   +1 more source

Detection of focal impaired awareness seizures using a biometric shirt

open access: yesEpilepsia Open, EarlyView.
Abstract Objective In recent years, seizure detection using wearable technology has gained significant attention in research. Most studies, however, have focused on detecting generalized or focal to bilateral tonic–clonic seizures. This study evaluates the feasibility of using a biometric shirt to detect focal impaired awareness seizures (FIAS) by ...
Jérôme St‐Jean   +6 more
wiley   +1 more source

Ketogenic diet for infantile epileptic spasms

open access: yesEpilepsia Open, EarlyView.
Abstract Approximately half of all cases of Infantile Epileptic Spasms Syndrome (IESS) do not respond to vigabatrin and hormonal therapies. There is no clear consensus as to the second‐line therapy for IESS. Ketogenic diet (KD) has emerged as an effective treatment for certain drug‐resistant epilepsies and in many cases of IESS.
Morris H. Scantlebury   +3 more
wiley   +1 more source

Mapping transient hyperventilation induced alterations with estimates of the multi-scale dynamics of BOLD signal.

open access: yesFrontiers in Neuroinformatics, 2009
Temporal blood oxygen level dependent (BOLD) contrast signals in functional MRI during rest may be characterized by power spectral distribution (PSD) trends of the form 1/f α.
Vesa J Kiviniemi   +7 more
doaj   +1 more source

Cerebral Vasomotor Reactivity: Impact of Hyperventilation Induced Hypocapnia on Hypercapnia Induced Vasodilation [PDF]

open access: yes, 2014
Cerebral vasomotor reactivity (CVMR; the relationship of cerebral blood flow responses to changes in arterial carbon dioxide (PCO2)) is used to assess cerebral vascular function.
Christmas, Kevin M
core   +1 more source

Ultrathin Tropical Tropopause Clouds (UTTCs) : I. Cloud morphology and occurrence [PDF]

open access: yes, 2003
Subvisible cirrus clouds (SVCs) may contribute to dehydration close to the tropical tropopause. The higher and colder SVCs and the larger their ice crystals, the more likely they represent the last efficient point of contact of the gas phase with the ice
Adriani, A.   +26 more
core   +4 more sources

”Not always the magic bullet”—Insufficient seizure control by ketogenic dietary therapies in Glut1 Deficiency Syndrome

open access: yesEpilepsia Open, EarlyView.
Abstract Objective Ketogenic dietary therapies (KDTs) are the treatment of choice for Glut1 Deficiency Syndrome (Glut1DS), providing dietary ketones as an alternative fuel to the brain and effectively controlling seizures. Recent evidence indicates insufficient seizure control in Glut1DS patients despite adequate KDT and ketosis.
Joerg Klepper, Eva Runkel, Lucia Kiesel
wiley   +1 more source

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