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Neuroscientific Techniques x clear all

Anatomical Validation of DTI and Tractography

Nigel I. Lawes C. and Christopher A. Clark.

in Diffusion MRI

November 2010; p ublished online September 2012 .

Chapter. Subjects: Neuroscientific Techniques. 6121 words.

Attempts to validate diffusion tensor imaging (DTI) tractography meet two obstacles. Firstly, the factors causing problems are specific to each tract and specific to each species, so...

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Anisotropic Diffusion: From the Apparent Diffusion Coefficient to the Apparent Diffusion Tensor

Peter J. Basser and Evren Özarslan.

in Diffusion MRI

November 2010; p ublished online September 2012 .

Chapter. Subjects: Neuroscientific Techniques. 12548 words.

This chapter provides some conceptual underpinnings of diffusion tensor imaging (DTI). In particular, it explains isotropic and anisotropic diffusion and presents the definition of the...

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Are Patients with Psychiatric Disorders “Uniquely” Vulnerable in the Context of DBS Research?

Laura B. Dunn and Paul E. Holtzheimer.

in Research Involving Participants with Cognitive Disability and Difference

September 2019; p ublished online October 2019 .

Chapter. Subjects: Cognition and Behavioural Neuroscience; Neuroscientific Techniques. 1440 words.

As investigators look to “next-generation” deep brain stimulation (DBS) approaches, renewed enthusiasm is emerging for DBS for psychiatric disorders. This commentary on Chapter 13...

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Are we ever aware of concepts? A critical question for the Global Neuronal Workspace, Integrated Information, and Attended Intermediate-Level Representation theories of consciousness

David Kemmerer.

in Neuroscience of Consciousness

P ublished online October 2015 .

Journal Article. Subjects: Neuroscience; Cognition and Behavioural Neuroscience; Neuroscientific Techniques; Cognitive Neuroscience; Consciousness. 9698 words.

To locate consciousness in the flow of synaptic activity in the brain, we must first locate it in the flow of information processing in the mind. Two different positions have been debated...

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Artifacts in Diffusion MRI

Carlo Pierpaoli.

in Diffusion MRI

November 2010; p ublished online September 2012 .

Chapter. Subjects: Neuroscientific Techniques. 11829 words.

In addition to thermal noise, several artifacts can adversely affect the accuracy and precision of diffusion MRI measures. This chapter identifies the most relevant sources of artifacts in...

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Assuming Capacity

Anne Kohler.

in Research Involving Participants with Cognitive Disability and Difference

September 2019; p ublished online October 2019 .

Chapter. Subjects: Cognition and Behavioural Neuroscience; Neuroscientific Techniques. 5141 words.

This chapter reports on the successful inclusion of adolescents and adults with Down syndrome (DS) in a long-term ethnographic research project focusing on the clinical, social, and...

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Autism, Autonomy, and Research

Kenneth A. Richman.

in Research Involving Participants with Cognitive Disability and Difference

September 2019; p ublished online October 2019 .

Chapter. Subjects: Cognition and Behavioural Neuroscience; Neuroscientific Techniques. 4892 words.

This chapter addresses ethical issues for informed consent when recruiting autistic participants for research. The process of informed consent for participation in research involves some...

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Autonomic correlates of seeing one’s own face in patients with disorders of consciousness

Sergio Bagnato, Cristina Boccagni, Caterina Prestandrea and Giuseppe Galardi.

in Neuroscience of Consciousness

P ublished online July 2015 .

Journal Article. Subjects: Neuroscience; Cognition and Behavioural Neuroscience; Neuroscientific Techniques; Cognitive Neuroscience; Consciousness. 5274 words.

The ability to recognize one’s own face is a hallmark of self-awareness. In healthy subjects, the sympathetic skin response evoked by self-face recognition has a greater area under the...

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Behavioral and electrophysiological evidence for fast emergence of visual consciousness

Henry Railo, Antti Revonsuo and Mika Koivisto.

in Neuroscience of Consciousness

P ublished online July 2015 .

Journal Article. Subjects: Neuroscience; Cognition and Behavioural Neuroscience; Neuroscientific Techniques; Cognitive Neuroscience; Consciousness. 8112 words.

A fundamental unsettled dispute concerns how fast the brain generates subjective visual experiences. Both early visual cortical activation and later activity in fronto-parietal global...

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The Biophysics of Crossing Fibers

Jacques-Donald Tournier.

in Diffusion MRI

November 2010; p ublished online September 2012 .

Chapter. Subjects: Neuroscientific Techniques. 14213 words.

Crossing fibers are increasingly acknowledged to be a significant problem, affecting both tractography and tensor-derived measures of anisotropy. Moreover, typical human scans have been...

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