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3081
The human medial temporal lobe, brain connectivity, and recognition memory
Published 2012“…The recent development of diffusion tensor imaging (DTI) has made it possible to investigate the integrity of these tracts in the human brain, whilst advances in the analysis of functional magnetic resonance imaging (fMRI) data have enabled the functional interaction between brain regions to be assessed. …”
Thesis -
3082
Investigating human motor learning using multimodal imaging and brain stimulation
Published 2019“…This thesis contains work using multimodal methods to further understanding of the neurophysiological underpinning of motor skill learning in both healthy controls and stroke survivors. Functional magnetic resonance imaging (fMRI), magnetic resonance spectroscopy (MRS) and transcranial magnetic stimulation (TMS) are used to measure brain activity and neurotransmitter concentrations, while transcranial direct current stimulation (tDCS) is used to modulate both brain activity and motor learning performance. …”
Thesis -
3083
On the reproducibility and interpretability of group-level task-fMRI results
Published 2019“…<p>In this thesis, we aim to address two topical issues at the forefront of task-based functional magnetic resonance imaging (fMRI). The first of these is a growing apprehension within the field about the reproducibility of findings that make up the neuroimaging literature. …”
Thesis -
3084
Effect of prefrontal cortex stimulation on regulation of amygdala response to threat in individuals with trait anxiety: a randomized clinical trial
Published 2018“…<strong>Main Outcomes and Measures</strong> Amygdala threat response, measured with functional magnetic resonance imaging. <strong>Results</strong> Data from 16 female participants (mean age, 23 years; range, 18-42 years), with 8 in each group, were analyzed. …”
Journal article -
3085
The bipolar phenotype: behavioural and neurobiological characteristics
Published 2012“…To that end, we employed a diverse range of methodologies: alcohol challenge (Study 2); neuropsychological task performance (Study 3); functional magnetic resonance imaging (fMRI; Study 4); diffusion tensor imaging (DTI) and voxel-based morphometry (VBM; Study 5).…”
Thesis -
3086
Cognitive function in multiple sclerosis and its modulation by cholinergic drugs
Published 2005“…<p>In order to assess cognitive function in multiple sclerosis (MS) and the effect of cholinergic modulation, experiments were conducted using functional magnetic resonance imaging (fMRI) to assess the brain activation during cognitive tasks.…”
Thesis -
3087
Manipulating brain connectivity with δ⁹-tetrahydrocannabinol: a pharmacological resting state FMRI study.
Published 2012“…Resting state-functional magnetic resonance imaging (RS-FMRI) is a neuroimaging technique that allows repeated assessments of functional connectivity in resting state. …”
Journal article -
3088
Defining the neural correlates of pain and analgesia in health and disease
Published 2014“…The use of functional magnetic resonance imaging (fMRI) techniques for imaging acute and increasingly tonic states enables the assessment of the neural correlates of evoked hypersensitivity and persistent pain, with the goal of developing appropriate biomarkers to test new therapies. …”
Thesis -
3089
Linking reward-learning and affect in health and depression
Published 2023“…In the first study, I apply reinforcement learning models to behavioural and neuroimaging (functional magnetic resonance imaging; fMRI) data to investigate the effect of Pramipexole, a promising antidepressant, on behavioural and neural reward learning. …”
Thesis -
3090
Statistical Inference in fMRI using Random Field Theory and resampling methods
Published 2021“…<p>This thesis provides a set of tools for analysing random images with a specific focus on applications in functional Magnetic Resonance Imaging (fMRI). To do so we employ Random Field Theory (RFT), a set of theoretical parametric results that can be used to analyse multidimensional random processes (known as random fields), and resampling methods, which draw samples from the data (with or without replacement).…”
Thesis -
3091
Exploring subspace-constrained approaches to low-rank fMRI acceleration
Published 2020“… <p>Functional magnetic resonance imaging (fMRI) is a medical imaging technique that measures brain activity non-invasively. …”
Thesis -
3092
Resting state effective connectivity between inferior parietal lobe (IPL) and inferior temporal gyrus (ITG) in the left and right hemispheres
Published 2018“…Resting state functional magnetic resonance imaging (rsfMRI) data were obtained from 7 healthy male and female participants (average age = 20.7 ± 4.5 years) and were concatenated. …”
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Article -
3093
Validation of emotional stimuli flashcards for conducting ‘response to reward’ fMRI study among Malaysian undergraduates
Published 2020“…Problematic Instagram Use (PIGU) is a specific Internet addiction disorder observed among the youth of today. Functional magnetic resonance imaging (fMRI) can objectively assess regional brain activation in response to addictionspecific rewards, e.g. viewing picture flashcards. …”
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Article -
3094
Statistical analysis and machine learning in multimodal brain imaging of neuropsychiatric disorders
Published 2021“…The first study investigated brain functional activity and connectivity changes using amplitude of low-frequency fluctuation (ALFF), regional homogeneity (ReHo), and functional connectivity (FC) from resting-state functional magnetic resonance imaging (fMRI) data pre- and post- a two-week MI-BCI and tDCS combined intervention in 19 chronic subcortical stroke patients. …”
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Thesis-Doctor of Philosophy -
3095
Load matters: neural correlates of verbal working memory in children with autism spectrum disorder
Published 2018-06-01“…The current study identified the neural systems underlying verbal working memory capacity in youth with and without ASD using functional magnetic resonance imaging (fMRI). Methods Fifty-seven youth, 27 with ASD and 30 sex- and age-matched typically developing (TD) controls (9–16 years), completed a one-back letter matching task (LMT) with four levels of difficulty (i.e. cognitive load) while fMRI data were recorded. …”
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Article -
3096
Comparing the efficacy of data-driven denoising methods for a multi-echo fMRI acquisition at 7T
Published 2023-10-01“…In functional magnetic resonance imaging (fMRI) of the brain the measured signal is corrupted by several (e.g. physiological, motion, and thermal) noise sources and depends on the image acquisition. …”
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Article -
3097
Targeting suicidal ideation in major depressive disorder with MRI-navigated Stanford accelerated intelligent neuromodulation therapy
Published 2024-01-01“…The neural pathways supporting rapid-acting antidepressant and suicide prevention effects were identified with dynamic causal modelling based on resting-state functional magnetic resonance imaging. We found that 5 days of SAINT effectively alleviated suicidal ideation in patients with MDD with a high response rate of 65.63%. …”
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Article -
3098
Constructing brain functional network by Adversarial Temporal-Spatial Aligned Transformer for early AD analysis
Published 2022-11-01“…However, the current methods of constructing functional connectivity networks from functional magnetic resonance imaging (fMRI) heavily depend on the software toolboxes, which may lead to errors in connection strength estimation and bad performance in disease analysis because of many subjective settings.MethodsTo solve this problem, in this paper, a novel Adversarial Temporal-Spatial Aligned Transformer (ATAT) model is proposed to automatically map 4D fMRI into functional connectivity network for early AD analysis. …”
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Article -
3099
Separating neuronal activity and systemic low-frequency oscillation related BOLD responses at nodes of the default mode network during resting-state fMRI with multiband excitation...
Published 2022-09-01“…Functional magnetic resonance imaging (fMRI) evaluates brain activity using blood oxygenation level-dependent (BOLD) contrast. …”
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Article -
3100
Impairments in the Default Mode and Executive Networks in Methamphetamine Users During Short-Term Abstinence
Published 2022-07-01“…This study aimed to investigate effective connectivity, resting-state networks, and internetwork functional connectivity in MA brains to improve clinical treatment.Methods: Twenty MAs and 27 age- and education-matched healthy controls underwent resting-state functional magnetic resonance imaging. The amplitude of low-frequency fluctuations and Granger causality were analyzed to investigate disrupted brain regions and effective connectivity, respectively. …”
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