Charting Connectivity in the Healthy and Diseased Brain

Cerebello-cerebral connectivity deficits in Friedreich ataxia

A Zalesky, H Akhlaghi, LA Corben, JL Bradshaw, MB Delatycki, E Storey, N Georgiou-Karistianis, GF Egan

2014-01-01

Brain pathology in Friedreich ataxia is characterized by progressive degeneration of nervous tissue in the brainstem, cerebellum a..

Complexity in relational processing predicts changes in functional brain network dynamics

L Cocchi, GS Halford, A Zalesky, IH Harding, BJ Ramm, T Cutmore, DHK Shum, JB Mattingley

2014-01-01

The ability to link variables is critical to many high-order cognitive functions, including reasoning. It has been proposed that l..

On the accuracy of the opc approximation for a symmetric overflow loss model

EWM Wong, B Moran, A Zalesky, Z Rosberg, M Zukerman

2013-04-03

The overflow priority classification approximation (OPCA) and Erlang's fixed-point approximation (EFPA) are distinct methods for e..

Altered functional brain connectivity in a non-clinical sample of young adults with attention-deficit/hyperactivity disorder

L Cocchi, IE Bramati, A Zalesky, E Furukawa, LF Fontenelle, J Moll, G Tripp, P Mattos

2012-12-05

Attention-deficit/hyperactivity disorder(ADHD)is characterized by symptoms of in attention and hyperactivity/impulsivity that ofte..

The relationship between regional and inter-regional functional connectivity deficits in schizophrenia

A Zalesky, A Fornito, GF Egan, C Pantelis, ET Bullmore

2012-11-01

While schizophrenia is frequently characterized as a disorder of disturbed functional connectivity, the causes and pathophysiologi..

Schizophrenia, neuroimaging and connectomics

A Fornito, A Zalesky, C Pantelis, ET Bullmore

2012-10-01

Schizophrenia is frequently characterized as a disorder of brain connectivity. Neuroimaging has played a central role in supportin..

Competitive and cooperative dynamics of large-scale brain functional networks supporting recollection

A Fornito, BJ Harrison, A Zalesky, JS Simons

2012-07-31

Analyses of functional interactions between large-scale brain networks have identified two broad systems that operate in apparent ..

On the use of correlation as a measure of network connectivity

A Zalesky, A Fornito, E Bullmore

2012-05-01

Numerous studies have demonstrated that brain networks derived from neuroimaging data have nontrivial topological features, such a..

Connectivity differences in brain networks

A Zalesky, L Cocchi, A Fornito, MM Murray, E Bullmore

2012-04-02

The scenario considered here is one where brain connectivity is represented as a network and an experimenter wishes to assess the ..

Effect of long-term cannabis use on axonal fibre connectivity

A Zalesky, N Solowij, M Yücel, DI Lubman, M Takagi, IH Harding, V Lorenzetti, R Wang, K Searle, C Pantelis, M Seal

2012-01-01

Cannabis use typically begins during adolescence and early adulthood, a period when cannabinoid receptors are still abundant in wh..

How can connectomics advance our knowledge of psychiatric disorders?

L Cocchi, A Zalesky, LF Fontenelle

2012-01-01

Dynamic changes in brain functional connectivity during concurrent dual-task performance

L Cocchi, A Zalesky, U Toepel, TJ Whitford, M De-Lucia, MM Murray, O Carter

2011-11-29

This study investigated the spatial, spectral, temporal and functional proprieties of functional brain connections involved in the..

General and specific functional connectivity disturbances in first-episode schizophrenia during cognitive control performance

A Fornito, J Yoon, A Zalesky, ET Bullmore, CS Carter

2011-07-01

Background: Cognitive control impairments in schizophrenia are thought to arise from dysfunction of interconnected networks of bra..

Disrupted axonal fiber connectivity in schizophrenia

A Zalesky, A Fornito, ML Seal, L Cocchi, CF Westin, ET Bullmore, GF Egan, C Pantelis

2011-01-01

Background Schizophrenia is believed to result from abnormal functional integration of neural processes thought to arise from aber..

Moderating registration misalignment in voxelwise comparisons of DTI data: A performance evaluation of skeleton projection

A Zalesky

2011-01-01

An evaluative methodology and five accompanying performance measures were developed to quantitatively assess the performance of th..

Network-based statistic: Identifying differences in brain networks

A Zalesky, A Fornito, ET Bullmore

2010-12-01

Large-scale functional or structural brain connectivity can be modeled as a network, or graph. This paper presents a statistical a..

White-matter abnormalities in adolescents with long-term inhalant and cannabis use: a diffusion magnetic resonance imaging study

Murat Yücel, Andrew Zalesky, Michael J Takagi, Emre Bora, Alex Fornito, Michael Ditchfield, Gary F Egan, Christos Pantelis, Dan I Lubman

2010-11-01

<jats:sec><jats:title>Background:</jats:title><jats:p> There is growing evidence that inhalants are neurotoxic to white matter, ye..

Whole-brain anatomical networks: Does the choice of nodes matter?

A Zalesky, A Fornito, IH Harding, L Cocchi, M Yücel, C Pantelis, ET Bullmore

2010-04-15

Whole-brain anatomical connectivity in living humans can be modeled as a network with diffusion-MRI and tractography. Network node..

White-matter abnormalities in adolescents with long-term inhalant and cannabis use: A diffusion magnetic resonance imaging study

M Yücel, A Zalesky, MJ Takagi, E Bora, A Fornito, M Ditchfield, GF Egan, C Pantelis, DI Lubman

2010-01-01

Background: There is growing evidence that inhalants are neurotoxic to white matter, yet limited work has been conducted to invest..

A DTI-derived measure of cortico-cortical connectivity

A Zalesky, A Fornito

2009-07-01

We arm researchers with a simple method to chart a macroscopic cortico-cortical connectivity network in living human subjects. The..