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Erik Kaestner
University of California, San Diego
11Publications
5H-index
146Citations
Publications 11
Newest
Published on Jul 12, 2019in Epilepsia 5.56
Erik Kaestner5
Estimated H-index: 5
(UCSD: University of California, San Diego),
Anny Reyes3
Estimated H-index: 3
(UCSD: University of California, San Diego)
+ 4 AuthorsCarrie R. McDonald28
Estimated H-index: 28
(UCSD: University of California, San Diego)
Published on Apr 23, 2019in Neurology 8.69
Anny Reyes3
Estimated H-index: 3
,
Erik Kaestner5
Estimated H-index: 5
+ 5 AuthorsCarrie R. McDonald28
Estimated H-index: 28
Objective To identify distinct cognitive phenotypes in temporal lobe epilepsy (TLE) and evaluate patterns of white matter (WM) network alterations associated with each phenotype. Methods Seventy patients with TLE were characterized into 4 distinct cognitive phenotypes based on patterns of impairment in language and verbal memory measures (language and memory impaired, memory impaired only, language impaired only, no impairment). Diffusion tensor imaging was obtained in all patients and in 46 hea...
Published on Feb 11, 2019in PLOS Computational Biology
Nicholas Rogers1
Estimated H-index: 1
(UCSD: University of California, San Diego),
John Hermiz3
Estimated H-index: 3
(UCSD: University of California, San Diego)
+ 11 AuthorsDavid Barba5
Estimated H-index: 5
(UCSD: University of California, San Diego)
Electrocorticography (ECoG) is becoming more prevalent due to improvements in fabrication and recording technology as well as its ease of implantation compared to intracortical electrophysiology, larger cortical coverage, and potential advantages for use in long term chronic implantation. Given the flexibility in the design of ECoG grids, which is only increasing, it remains an open question what geometry of the electrodes is optimal for an application. Conductive polymer, PEDOT:PSS, coated micr...
Published on Aug 1, 2018in NeuroImage 5.81
John Hermiz3
Estimated H-index: 3
(UCSD: University of California, San Diego),
Nicholas Rogers1
Estimated H-index: 1
(UCSD: University of California, San Diego)
+ 7 AuthorsVikash Gilja21
Estimated H-index: 21
(UCSD: University of California, San Diego)
Abstract Electrocorticography (ECoG), electrophysiological recording from the pial surface of the brain, is a critical measurement technique for clinical neurophysiology, basic neurophysiology studies, and demonstrates great promise for the development of neural prosthetic devices for assistive applications and the treatment of neurological disorders. Recent advances in device engineering are poised to enable orders of magnitude increase in the resolution of ECoG without comprised measurement qu...
Published on Jul 22, 2018in Language, cognition and neuroscience 2.44
Erik Kaestner5
Estimated H-index: 5
(UCSD: University of California, San Diego),
Adam Milton Morgan3
Estimated H-index: 3
(UCSD: University of California, San Diego)
+ 6 AuthorsEric Halgren68
Estimated H-index: 68
(UCSD: University of California, San Diego)
ABSTRACTIntracranial electrophysiology (iEEG) studies using cognitive tasks contribute to the understanding of the neural basis of language. However, though iEEG is recorded continuously during clinical treatment, due to patient considerations task time is limited. To increase the usefulness of iEEG recordings for language study we provided patients with a tablet pre-loaded with media filled with natural language, wirelessly synchronised to clinical iEEG. This iEEG data collected and time-locked...
Published on Mar 1, 2018in Advanced Functional Materials 15.62
Mehran Ganji3
Estimated H-index: 3
(UCSD: University of California, San Diego),
Erik Kaestner5
Estimated H-index: 5
(UCSD: University of California, San Diego)
+ 15 AuthorsGarth Rees Cosgrove2
Estimated H-index: 2
(Brigham and Women's Hospital)
Recording neural activity during neurosurgical interventions is an invaluable tool for both improving patient outcomes and advancing our understanding of neural mechanisms and organization. However, increasing clinical electrodes' signal-to-noise and spatial specificity requires overcoming substantial physical barriers due to the compromised metal electrochemical interface properties. The electrochemical properties of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate) (PEDOT:PSS) based inte...
Published on Jan 1, 2018
Author(s): Kaestner, Erik | Advisor(s): Halgren, Eric | Abstract: Reading is learned in the presence of an already formed auditory language network. However, unlike auditory language reading is a recent cultural invention made possible by an extensive period of learning. Understanding the relationship of visual language with auditory language is key to understanding the novel human construct of reading. Articulatory motor movements are a potential bridge between the existing auditory language ne...
Published on Aug 1, 2016 in EMBC (International Conference of the IEEE Engineering in Medicine and Biology Society)
John Hermiz3
Estimated H-index: 3
(UCSD: University of California, San Diego),
Nick Rogers2
Estimated H-index: 2
(UCSD: University of California, San Diego)
+ 7 AuthorsVikash Gilja21
Estimated H-index: 21
(UCSD: University of California, San Diego)
Open source electrophysiology (ephys) recording systems have several advantages over commercial systems such as customization and affordability enabling more researchers to conduct ephys experiments. Notable open source ephys systems include Open-Ephys, NeuroRighter and more recently Willow, all of which have high channel count (64+), scalability, and advanced software to develop on top of. However, little work has been done to build an open source ephys system that is clinic compatible, particu...
Published on Sep 1, 2015in Neuropsychologia 2.87
Eric Halgren68
Estimated H-index: 68
(UCSD: University of California, San Diego),
Erik Kaestner5
Estimated H-index: 5
(UCSD: University of California, San Diego)
+ 5 AuthorsIstván Ulbert39
Estimated H-index: 39
(MTA: Hungarian Academy of Sciences)
Theta may play a central role during language understanding and other extended cognitive processing, providing an envelope for widespread integration of participating cortical areas. We used linear microelectrode arrays in epileptics to define the circuits generating theta in inferotemporal, perirhinal, entorhinal, prefrontal and anterior cingulate cortices. In all locations, theta was generated by excitatory current sinks in middle layers which receive predominantly feedforward inputs, alternat...
Published on Feb 1, 2015in Journal of Neurophysiology 2.61
Markus Plank9
Estimated H-index: 9
(UCSD: University of California, San Diego),
Joseph Snider10
Estimated H-index: 10
(UCSD: University of California, San Diego)
+ 2 AuthorsHoward Poizner44
Estimated H-index: 44
(UCSD: University of California, San Diego)
Using a novel, fully mobile virtual reality paradigm, we investigated the EEG correlates of spatial representations formed during unsupervised exploration. On day 1, subjects implicitly learned the location of 39 objects by exploring a room and popping bubbles that hid the objects. On day 2, they again popped bubbles in the same environment. In most cases, the objects hidden underneath the bubbles were in the same place as on day 1. However, a varying third of them were misplaced in each block. ...
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