Katrina Dell

Spatiotemporal Patterns of High-Frequency Activity (80-170 Hz) in Long-Term Intracranial EEG

Zhuying Chen, David B Grayden, Anthony N Burkitt, Udaya Seneviratne, Wendyl J D'Souza, Chris French, Philippa J Karoly, Katrina Dell, Kent Leyde, Mark J Cook, Matias I Maturana

Journal article  |  2021  |  NEUROLOGY

OBJECTIVE: To determine the utility of high-frequency activity (HFA) and epileptiform spikes as biomarkers for epilepsy, we examin..

Seizure likelihood varies with day-to-day variations in sleep duration in patients with refractory focal epilepsy: A longitudinal electroencephalography investigation

KL Dell, DE Payne, V Kremen, MI Maturana, V Gerla, P Nejedly, GA Worrell, L Lenka, F Mivalt, RC Boston, BH Brinkmann, W D'Souza, AN Burkitt, DB Grayden, L Kuhlmann, DR Freestone, MJ Cook

Journal article  |  2021  |  EClinicalMedicine

Background: While the effects of prolonged sleep deprivation (≥24 h) on seizure occurrence has been thoroughly explored, little is..

Identifying seizure risk factors: A comparison of sleep, weather, and temporal features using a Bayesian forecast

Daniel E Payne, Katrina L Dell, Phillipa J Karoly, Vaclav Kremen, Vaclav Gerla, Levin Kuhlmann, Gregory A Worrell, Mark J Cook, David B Grayden, Dean R Freestone

Journal article  |  2020  |  EPILEPSIA

OBJECTIVE: Most seizure forecasting algorithms have relied on features specific to electroencephalographic recordings. Environment..

Critical slowing down as a biomarker for seizure susceptibility.

Matias I Maturana, Christian Meisel, Katrina Dell, Philippa J Karoly, Wendyl D'Souza, David B Grayden, Anthony N Burkitt, Premysl Jiruska, Jan Kudlacek, Jaroslav Hlinka, Mark J Cook, Levin Kuhlmann, Dean R Freestone

Journal article  |  2020  |  Nature Communications

The human brain has the capacity to rapidly change state, and in epilepsy these state changes can be catastrophic, resulting in lo..

Deep Brain Stimulation for Epilepsy: Biomarkers for Optimization

Katrina L Dell, Mark J Cook, Matias I Maturana

Journal article  |  2019  |  CURRENT TREATMENT OPTIONS IN NEUROLOGY

PURPOSE OF REVIEW: Two large-scale controlled clinical trials have provided Class I evidence for the benefit of deep brain stimula..

Differences in perceptual masking between humans and rats.

Katrina L Dell, Ehsan Arabzadeh, Nicholas SC Price

Journal article  |  2019  |  Brain Behav

INTRODUCTION: The perception of a target stimulus can be impaired by a subsequent mask stimulus, even if they do not overlap tempo..

Human-like perceptual masking is difficult to observe in rats performing an orientation discrimination task.

Katrina Louise Dell, Ehsan Arabzadeh, Nicholas Seow Chiang Price

Journal article  |  2018  |  PLoS One

Visual masking occurs when the perception of a brief target stimulus is affected by a preceding or succeeding mask. The uncoupling..

Progesterone sharpens temporal response profiles of sensory cortical neurons in animals exposed to traumatic brain injury.

Benjamin Allitt, Victoria Johnstone, Katrina Dell, Edwin Yan, Ramesh Rajan

Journal article  |  2016  |  Cell Transplantation

Masking reduces orientation selectivity in rat visual cortex.

Dasuni Alwis, Katrina Dell, Nicolas Price

Journal article  |  2016  |  Journal of Neurophysiology

In visual masking the perception of a target stimulus is impaired by a preceding (forward) or succeeding (backward) mask stimulus...

Pioglitazone treatment enhances the sympathetic nervous system response to oral carbohydrate load in obese individuals with metabolic syndrome.

Nora Straznicky, Mariee Grima, Carolina Sari, Nina Eikelis, Gavin Lambert, Paul Nestel, Katrina Dell, John Dixon, Markus Schlaich, Elisabeth Lambert

Journal article  |  2015  |  Metabolism: clinical and experimental