User profiles for N. P. Castellanos

Nazareth Castellanos

Nirakara Lab - UCM
Verified email at nirakara.org
Cited by 3187

Recovering EEG brain signals: Artifact suppression with wavelet enhanced independent component analysis

NP Castellanos, VA Makarov - Journal of neuroscience methods, 2006 - Elsevier
Independent component analysis (ICA) has been proven useful for suppression of artifacts
in EEG recordings. It involves separation of measured signals into statistically independent …

Reorganization of functional connectivity as a correlate of cognitive recovery in acquired brain injury

NP Castellanos, N Paúl, VE Ordóñez, O Demuynck… - Brain, 2010 - academic.oup.com
Cognitive processes require a functional interaction between specialized multiple, local and
remote brain regions. Although these interactions can be strongly altered by an acquired …

Functional connectivity in mild cognitive impairment during a memory task: implications for the disconnection hypothesis

…, R Gutiérrez, P Campo, NP Castellanos… - Journal of …, 2010 - content.iospress.com
Mild cognitive impairment (MCI) has been considered an intermediate state between healthy
aging and dementia. The early damage in anatomical connectivity and progressive loss of …

Principles of recovery from traumatic brain injury: reorganization of functional networks

NP Castellanos, I Leyva, JM Buldú, R Bajo, N Paúl… - Neuroimage, 2011 - Elsevier
Recovery after brain injury is an excellent platform to study the mechanism underlying brain
plasticity, the reorganization of networks. Do complex network measures capture the …

[HTML][HTML] Dysconnectivity of neurocognitive networks at rest in very-preterm born adults

TP White, I Symington, NP Castellanos, PJ Brittain… - NeuroImage: Clinical, 2014 - Elsevier
Advances in neonatal medicine have resulted in a larger proportion of preterm-born individuals
reaching adulthood. Their increased liability to psychiatric illness and impairments of …

[HTML][HTML] Alteration and reorganization of functional networks: a new perspective in brain injury study

NP Castellanos, R Bajo, P Cuesta… - Frontiers in human …, 2011 - frontiersin.org
… The work by Castellanos and colleagues, show a correlation between network reorganization
and cognitive recovery. A reduction of delta-band-based connections and the increment of …

Source-reconstruction of event-related fields reveals hyperfunction and hypofunction of cortical circuits in antipsychotic-naive, first-episode schizophrenia patients …

D Rivolta, NP Castellanos, C Stawowsky… - Journal of …, 2014 - Soc Neuroscience
Schizophrenia is characterized by dysfunctions in neural circuits that can be investigated
with electrophysiological methods, such as EEG and MEG. In the present human study, we …

Influence of the APOE ε4 allele and mild cognitive impairment diagnosis in the disruption of the MEG resting state functional connectivity in sources space

P Cuesta, P Garcés, NP Castellanos… - Journal of …, 2015 - content.iospress.com
The apolipoprotein E (APOE) 4 allele constitutes the major genetic risk for the development
of late onset Alzheimer’s disease (AD). However, its influence on the neurodegeneration that …

Differential patterns of connectivity in progressive mild cognitive impairment

R Bajo, NP Castellanos, P Cuesta, S Aurtenetxe… - Brain …, 2012 - liebertpub.com
It is now widely accepted that Alzheimer's disease is characterized by a functional disconnection
between brain regions. The disease appears to begin up to decades prior to clinical …

[HTML][HTML] Cognitive reserve is associated with the functional organization of the brain in healthy aging: a MEG study

…, E Pereda, P Cuesta, NP Castellanos… - Frontiers in Aging …, 2014 - frontiersin.org
The proportion of elderly people in the population has increased rapidly in the last century
and consequently “healthy aging” is expected to become a critical area of research in …