S. Williams

Publications565
h-index94
Citations31,816
Highly Influential Citations1,884
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Attenuation of the neural response to sad faces in major depression by antidepressant treatment: a prospective, event-related functional magnetic resonance imaging study.
BACKGROUND Depression is associated with interpersonal difficulties related to abnormalities in affective facial processing. OBJECTIVES To map brain systems activated by sad facial affect… Expand
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Activation of auditory cortex during silent lipreading.
Watching a speaker's lips during face-to-face conversation (lipreading) markedly improves speech perception, particularly in noisy conditions. With functional magnetic resonance imaging it was found… Expand
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Hypofrontality in attention deficit hyperactivity disorder during higher-order motor control: a study with functional MRI.
OBJECTIVE Functional magnetic resonance imaging (MRI) was used to investigate the hypothesis that attention deficit hyperactivity disorder (ADHD) is associated with a dysfunction of prefrontal brain… Expand
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Atlasing location, asymmetry and inter-subject variability of white matter tracts in the human brain with MR diffusion tractography
TLDR
The purpose of this study is to create a white matter atlas of the human brain using diffusion tensor imaging (DTI) tractography and to describe the constant features of the major pathways. Expand
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Explicit and implicit neural mechanisms for processing of social information from facial expressions: A functional magnetic resonance imaging study
The processing of changing nonverbal social signals such as facial expressions is poorly understood, and it is unknown if different pathways are activated during effortful (explicit), compared to… Expand
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Meta-analysis, database, and meta-regression of 98 structural imaging studies in bipolar disorder.
CONTEXT Despite 25 years of structural imaging in bipolar disorder, brain regions affected in the disorder are ill defined. OBJECTIVES To use meta-analytical techniques to investigate structural… Expand
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Functional magnetic resonance imaging of synesthesia: activation of V4/V8 by spoken words
In 'colored-hearing' synesthesia, individuals report color experiences when they hear spoken words. If the synesthetic color experience resembles that of normal color perception, one would predict… Expand
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The amygdala theory of autism
Brothers (Brothers L. Concepts in Neuroscience 1990;1:27-51) proposed a network of neural regions that comprise the "social brain", which includes the amygdala. Since the childhood psychiatric… Expand
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The functional neuroanatomy of social behaviour: changes in cerebral blood flow when people with autistic disorder process facial expressions.
Although high-functioning individuals with autistic disorder (i.e. autism and Asperger syndrome) are of normal intelligence, they have life-long abnormalities in social communication and emotional… Expand
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A functional MRI study of happy and sad affective states induced by classical music
The present study investigated the functional neuroanatomy of transient mood changes in response to Western classical music. In a pilot experiment, 53 healthy volunteers (mean age: 32.0; SD = 9.6)… Expand
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