Publications by authors named "Juha Nikkinen"

44Publications

Brain response to facial expressions in adults with adolescent ADHD.

Psychiatry Res Neuroimaging 2019 10 6;292:54-61. Epub 2019 Sep 6.

PEDEGO Research Unit, Child Psychiatry, University of Oulu, P.O. Box 5000, FI-90014 Oulu, Finland; Clinic of Child Psychiatry, Oulu University Hospital, P.O. Box 26, FI-90029 Oulu, Finland. Electronic address:

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http://dx.doi.org/10.1016/j.pscychresns.2019.09.003DOI Listing
October 2019

Cerebellar white matter in young adults with a familial risk for psychosis.

Psychiatry Res Neuroimaging 2019 05 23;287:41-48. Epub 2019 Mar 23.

Department of Psychiatry, Research Unit of Clinical Neuroscience, University of Oulu, Oulu, Finland; Department of Psychiatry, Oulu University Hospital, Oulu, Finland; Medical Research Center Oulu, Oulu University Hospital and University of Oulu, Finland.

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http://dx.doi.org/10.1016/j.pscychresns.2019.03.012DOI Listing
May 2019

COMPARISON OF ORGAN-BASED TUBE CURRENT MODULATION AND BISMUTH SHIELDING IN CHEST CT: EFFECT ON THE IMAGE QUALITY AND THE PATIENT DOSE.

Radiat Prot Dosimetry 2019 Nov;185(1):42-48

Research Unit of Medical Imaging, Physics and Technology, University of Oulu, Oulu, Finland.

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http://dx.doi.org/10.1093/rpd/ncy242DOI Listing
November 2019

Fluctuations of the EEG-fMRI correlation reflect intrinsic strength of functional connectivity in default mode network.

J Neurosci Res 2018 10 14;96(10):1689-1698. Epub 2018 May 14.

Oulu Functional NeuroImaging (OFNI), Department of Diagnostic Radiology, Oulu University Hospital, Oulu, Finland.

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http://dx.doi.org/10.1002/jnr.24257DOI Listing
October 2018

Body mass index and brain white matter structure in young adults at risk for psychosis - The Oulu Brain and Mind Study.

Psychiatry Res Neuroimaging 2016 Aug 6;254:169-76. Epub 2016 Jul 6.

Department of Psychiatry, Research Unit of Clinical Neuroscience, University of Oulu, Oulu, Finland; Aurora Doctoral Program, University of Oulu, Oulu, Finland; Department of Psychiatry, Oulu University Hospital, Oulu, Finland.

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http://dx.doi.org/10.1016/j.pscychresns.2016.06.016DOI Listing
August 2016

Cerebellar activity in young people with familial risk for psychosis--The Oulu Brain and Mind Study.

Schizophr Res 2015 Dec 30;169(1-3):46-53. Epub 2015 Oct 30.

Department of Psychiatry, Research Unit of Clinical Neuroscience, University of Oulu, Finland; Department of Psychiatry, Oulu University Hospital, Finland; Thule Doctoral Programme, University of Oulu, Finland; Medical Research Center Oulu, Oulu University Hospital and University of Oulu, Finland.

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http://dx.doi.org/10.1016/j.schres.2015.10.010DOI Listing
December 2015

White matter structure in young adults with familial risk for psychosis - The Oulu Brain and Mind Study.

Psychiatry Res 2015 Sep 2;233(3):388-93. Epub 2015 Jul 2.

Department of Psychiatry, Institute of Clinical Medicine, University of Oulu, Oulu, Finland; Thule Doctoral Programme, University of Oulu, Oulu, Finland; Department of Psychiatry, Oulu University Hospital, Oulu, Finland.

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http://dx.doi.org/10.1016/j.pscychresns.2015.06.015DOI Listing
September 2015

Longitudinal regional brain volume loss in schizophrenia: Relationship to antipsychotic medication and change in social function.

Schizophr Res 2015 Oct 16;168(1-2):297-304. Epub 2015 Jul 16.

Department of Psychiatry, Cambridge Biomedical Campus, University of Cambridge, Box 189 CB2 0QQ, United Kingdom; Behavioural and Clinical Neuroscience Institute, University of Cambridge, Cambridge CB2 0SZ, United Kingdom. Electronic address:

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https://linkinghub.elsevier.com/retrieve/pii/S09209964150033
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http://dx.doi.org/10.1016/j.schres.2015.06.016DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4604250PMC
October 2015

Functional mapping of dynamic happy and fearful facial expressions in young adults with familial risk for psychosis - Oulu Brain and Mind Study.

Schizophr Res 2015 May 18;164(1-3):242-9. Epub 2015 Feb 18.

Department of Psychiatry, Institute of Clinical Medicine, University of Oulu, Oulu, Finland; Department of Psychiatry, Oulu University Hospital, Oulu, Finland; Medical Research Center Oulu, University of Oulu, Oulu University Hospital, Oulu, Finland.

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http://dx.doi.org/10.1016/j.schres.2015.01.039DOI Listing
May 2015

Central executive network in young people with familial risk for psychosis--the Oulu Brain and Mind Study.

Schizophr Res 2015 Feb 22;161(2-3):177-83. Epub 2014 Nov 22.

Department of Psychiatry, Institute of Clinical Medicine, University of Oulu, Finland; Department of Psychiatry, Oulu University Hospital, Finland; Thule Doctoral Programme, University of Oulu, Finland.

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http://dx.doi.org/10.1016/j.schres.2014.11.003DOI Listing
February 2015

Synchronous multiscale neuroimaging environment for critically sampled physiological analysis of brain function: hepta-scan concept.

Brain Connect 2014 Nov 26;4(9):677-89. Epub 2014 Sep 26.

1 Department of Diagnostic Radiology, Institute of Diagnostics , Medical Research Center of Oulu, Oulu, Finland .

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http://dx.doi.org/10.1089/brain.2014.0258DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4238249PMC
November 2014

Brain structure in different psychosis risk groups in the Northern Finland 1986 birth cohort.

Schizophr Res 2014 Mar 24;153(1-3):143-9. Epub 2014 Jan 24.

Institute of Clinical Medicine, Department of Psychiatry, University of Oulu and Oulu University Hospital, Oulu, Finland.

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http://dx.doi.org/10.1016/j.schres.2013.12.019DOI Listing
March 2014

Infra-slow EEG fluctuations are correlated with resting-state network dynamics in fMRI.

J Neurosci 2014 Jan;34(2):356-62

Departments of Diagnostic Radiology, and Clinical Neurophysiology, Oulu University Hospital, 90029 OYS, Oulu, Finland, and Neuroscience Center, University of Helsinki, FI-00014 Helsinki, Finland.

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http://dx.doi.org/10.1523/JNEUROSCI.0276-13.2014DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6608153PMC
January 2014

GroupICA dual regression analysis of resting state networks in a behavioral variant of frontotemporal dementia.

Front Hum Neurosci 2013 26;7:461. Epub 2013 Aug 26.

Department of Neurology, Institute of Clinical Medicine, University of Oulu Oulu, Finland ; Department of Neurology, Oulu University Hospital Oulu, Finland.

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http://dx.doi.org/10.3389/fnhum.2013.00461DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3752460PMC
August 2013

On applicability of PCA, voxel-wise variance normalization and dimensionality assumptions for sliding temporal window sICA in resting-state fMRI.

Magn Reson Imaging 2013 Oct 8;31(8):1338-48. Epub 2013 Jul 8.

Department of Diagnostic Radiology, Oulu University Hospital, Oulu, Finland; Department of Computer Science and Engineering, University of Oulu, Oulu, Finland. Electronic address:

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http://dx.doi.org/10.1016/j.mri.2013.06.002DOI Listing
October 2013

White matter in autism spectrum disorders - evidence of impaired fiber formation.

Acta Radiol 2011 Dec 18;52(10):1169-74. Epub 2011 Nov 18.

Department of Diagnostic Radiology, Oulu University Hospital, Finland.

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http://dx.doi.org/10.1258/ar.2011.110197DOI Listing
December 2011

Directional connectivity of resting state human fMRI data using cascaded ICA-PDC analysis.

Acta Radiol 2011 Nov;52(9):1037-42

Department of Computer Science and Engineering, University of Oulu, Linnanmaa, Finland.

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http://journals.sagepub.com/doi/10.1258/ar.2011.110262
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http://dx.doi.org/10.1258/ar.2011.110262DOI Listing
November 2011

A sliding time-window ICA reveals spatial variability of the default mode network in time.

Brain Connect 2011 ;1(4):339-47

Department of Diagnostic Radiology, Oulu University Hospital, Finland.

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http://dx.doi.org/10.1089/brain.2011.0036DOI Listing
January 2013

Fibre optic sensor for non-invasive monitoring of blood pressure during MRI scanning.

J Biophotonics 2011 Jan 16;4(1-2):98-107. Epub 2010 Apr 16.

University of Oulu, Department of Electrical and Information Engineering, Optoelectronics and Measurement Techniques Laboratory, P.O. Box, 4500 University of Oulu Oulu 90014, Finland.

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http://dx.doi.org/10.1002/jbio.200900105DOI Listing
January 2011

The effect of model order selection in group PICA.

Hum Brain Mapp 2010 Aug;31(8):1207-16

Department of Diagnostic Radiology, Oulu University Hospital, Finland.

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http://doi.wiley.com/10.1002/hbm.20929
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http://dx.doi.org/10.1002/hbm.20929DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6871136PMC
August 2010

Correction of low-frequency physiological noise from the resting state BOLD fMRI--Effect on ICA default mode analysis at 1.5 T.

J Neurosci Methods 2010 Feb 24;186(2):179-85. Epub 2009 Nov 24.

Department of Diagnostic Radiology, Oulu University Hospital, Finland.

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http://linkinghub.elsevier.com/retrieve/pii/S016502700900613
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http://dx.doi.org/10.1016/j.jneumeth.2009.11.015DOI Listing
February 2010

Normal Auger spectra of Br in alkali bromide molecules.

J Chem Phys 2004 Nov;121(17):8246-52

Department of Physical Sciences, University of Oulu, P.O. Box 3000, 90014 Oulu, Finland.

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http://scitation.aip.org/content/aip/journal/jcp/121/17/10.1
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http://dx.doi.org/10.1063/1.1797732DOI Listing
November 2004