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abstract: |-
The aim of this thesis was the examination of the neural bases of dynamic visuo-spatial imagery. In addition to the assessment of brain activity during dy-namic visuo-spatial imagery using single-trial functional magnetic resonance im-aging (fMRI) and slow cortical potentials (SCPs), several methodological issues have been investigated.
The theoretical part of this thesis consists of a selective overview of fMRI and SCPs, and of the advantages of their combination for functional neuroimaging (chapter 2). The methodological and empirical chapters include:
Ø the presentation of a new, highly accurate and practicable method for the co-registration of MRI- and EEG-data (chapter 3),
Ø the description of the increase in the accuracy of SCP mapping resulting from the use of individual electrode coordinates and realistic head models (chapter 4),
Ø the description of regional differences in the consistency of brain activity across several executions of the same task type, as assessed by a new analysis con-cept based on single-trial fMRI data (chapter 5),
Ø the demonstration of the involvement of premotor regions in dynamic visuo-spatial imagery, as assessed via a combination of single-trial fMRI and SCPs (chapter 6),
Ø the description of a combined fMRI-SCP investigation in which earlier findings concerning individual differences in neural efficiency during dynamic imagery could not be replicated (chapter 7).
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creators_name:
- family: Lamm
given: Claus
honourific: ''
lineage: ''
date: 2001-06
date_type: published
datestamp: 2001-06-20
department: Psychology
dir: disk0/00/00/16/34
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eprintid: 1634
fileinfo: /style/images/fileicons/application_pdf.png;/1634/3/thesis_clauslamm.pdf
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institution: University of Vienna
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ispublished: unpub
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keywords: 'functional neuroanatomy, co-registration, fMRI, EEG, slow potentials, mental rotation, visuo-spatial imagery'
lastmod: 2011-03-11 08:54:43
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rev_number: 12
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status_changed: 2007-09-12 16:39:14
subjects:
- brain-img
- cog-psy
- neuro-physio
- psycphs
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thesistype: PhD thesis
title: Functional Neuroanatomy of Dynamic Visuo-Spatial Imagery
type: thesis
userid: 223
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