User profiles for Phyllis Chua

Phyllis Chua

Monash University
Verified email at monash.edu
Cited by 5423

Common effects of emotional valence, arousal and attention on neural activation during visual processing of pictures

RD Lane, PML Chua, RJ Dolan - Neuropsychologia, 1999 - Elsevier
Emotion and attention heighten sensitivity to visual cues. How neural activation patterns
associated with emotion change as a function of the availability of attentional resources is …

[HTML][HTML] Oxytocin attenuates amygdala reactivity to fear in generalized social anxiety disorder

…, KL Phan, A Wood, M Angstadt, P Chua… - …, 2010 - nature.com
Patients with generalized social anxiety disorder (GSAD) exhibit heightened activation of
the amygdala in response to social cues conveying threat (eg, fearful/angry faces). The …

A functional anatomy of anticipatory anxiety

P Chua, M Krams, I Toni, R Passingham, R Dolan - Neuroimage, 1999 - Elsevier
Anticipatory anxiety is a complex combination of a future-oriented cognitive state, negative
affect, and autonomic arousal. A dual-task paradigm of anticipation of electric shocks and a …

CAG repeat expansion in Huntington disease determines age at onset in a fully dominant fashion

…, V Calhoun, N Carlozzi, A Chesire, E Chiu, P Chua… - Neurology, 2012 - AAN Enterprises
Objective: Age at onset of diagnostic motor manifestations in Huntington disease (HD) is
strongly correlated with an expanded CAG trinucleotide repeat. The length of the normal CAG …

The role of the prefrontal cortex in recognition memory and memory for source: An fMRI study

MD Rugg, PC Fletcher, PML Chua, RJ Dolan - Neuroimage, 1999 - Elsevier
We employed fMRI to index neural activity in prefrontal cortex during tests of recognition and
source memory. At study, subjects were presented with words displayed either to the left or …

Dissociable temporal lobe activations during emotional episodic memory retrieval

RJ Dolan, R Lane, P Chua, P Fletcher - Neuroimage, 2000 - Elsevier
The richness of human recollective experience is, in part, related to evocation of previously
experienced emotions. An extensive functional neuroimaging literature has provided a …

Medial frontal hyperactivity to sad faces in generalized social anxiety disorder and modulation by oxytocin

…, KL Phan, A Wood, M Angstadt, P Chua… - International Journal …, 2012 - academic.oup.com
Generalized social anxiety disorder (GSAD) is associated with heightened limbic and prefrontal
activation to negative social cues conveying threat (eg fearful faces), but less is known …

Longitudinal change in white matter microstructure in Huntington's disease: The IMAGE-HD study

GR Poudel, JC Stout, A Churchyard, P Chua… - Neurobiology of …, 2015 - Elsevier
Objective To quantify 18-month changes in white matter microstructure in premanifest (pre-HD)
and symptomatic Huntington's disease (symp-HD). To investigate baseline clinical, …

Depression and neurocognitive performance in individuals with HIV/AIDS: 2‐year follow‐up

…, S Ellen, J Hoy, C Hutchison, E Wright, P Chua… - HIV …, 2006 - Wiley Online Library
Objectives The aims of this study were to follow a cohort of HIV‐infected individuals for 2
years to assess changes in depression and neuropsychological performance over time, to …

Prefrontal activity in Huntington's disease reflects cognitive and neuropsychiatric disturbances: the IMAGE-HD study

MA Gray, GF Egan, A Ando, A Churchyard, P Chua… - Experimental …, 2013 - Elsevier
Functional integrity of prefrontal cortico-striatal circuits underlying executive functioning may
be compromised by basal ganglia degeneration during Huntington's disease (HD). This …