User profiles for Raymond Chan

Raymond H. Chan

- Verified email at cityu.edu.hk - Cited by 13549

Raymond Javan Chan

- Verified email at flinders.edu.au - Cited by 5597

Assessment of executive functions: Review of instruments and identification of critical issues

RCK Chan, D Shum, T Toulopoulou… - Archives of clinical …, 2008 - academic.oup.com
“Executive functions” is an umbrella term for functions such as planning, working memory,
inhibition, mental flexibility, as well as the initiation and monitoring of action. The impairment of …

Salt-and-pepper noise removal by median-type noise detectors and detail-preserving regularization

RH Chan, CW Ho, M Nikolova - IEEE Transactions on image …, 2005 - ieeexplore.ieee.org
This paper proposes a two-phase scheme for removing salt-and-pepper impulse noise. In
the first phase, an adaptive median filter is used to identify pixels which are likely to be …

A systematic review of financial toxicity among cancer survivors: we can't pay the co-pay

…, KMD Merollini, A Lowe, RJ Chan - The Patient-Patient …, 2017 - Springer
Objective To determine the extent of financial toxicity (FT) among cancer survivors, identify
the determinants and how FT is measured. Methods A systematic review was performed in …

Mapping genomic loci implicates genes and synaptic biology in schizophrenia

…, VJ Carr, D Castle, SV Catts, KD Chambert, RCK Chan… - Nature, 2022 - nature.com
Schizophrenia has a heritability of 60–80% 1 , much of which is attributable to common risk
alleles. Here, in a two-stage genome-wide association study of up to 76,755 individuals with …

Urocortin, a mammalian neuropeptide related to fish urotensin I and to corticotropin-releasing factor

…, J Bittencourt, MH Perrin, K Lewis, S Sutton, R Chan… - Nature, 1995 - nature.com
CORTICOTROPIN-RELEASING factor (CRF), a peptide first isolated from mammalian brain
1 , is critical in the regulation of the pituitary–adrenal axis, and in complementary stress-…

[PDF][PDF] Modeling linkage disequilibrium increases accuracy of polygenic risk scores

…, N Carrera, SV Catts, KD Chambert, RCK Chan… - The american journal of …, 2015 - cell.com
Polygenic risk scores have shown great promise in predicting complex disease risk and will
become more accurate as training sample sizes increase. The standard approach for …

Distribution of mRNAs encoding CRF receptors in brain and pituitary of rat and mouse

…, V Viau, JC Bittencourt, RKW Chan… - Journal of …, 2000 - Wiley Online Library
Two G protein‐coupled receptors have been identified that bind corticotropin‐releasing factor
(CRF) and urocortin (UCN) with high affinity. Hybridization histochemical methods were …

Conjugate gradient methods for Toeplitz systems

RH Chan, MK Ng - SIAM review, 1996 - SIAM
In this expository paper, we survey some of the latest developments in using preconditioned
conjugate gradient methods for solving Toeplitz systems. One of the main results is that the …

Prognostic value of quantitative contrast-enhanced cardiovascular magnetic resonance for the evaluation of sudden death risk in patients with hypertrophic …

RH Chan, BJ Maron, I Olivotto, MJ Pencina… - Circulation, 2014 - Am Heart Assoc
Background— Hypertrophic cardiomyopathy (HCM) is the most common cause of sudden
death in the young, although not all patients eligible for sudden death prevention with an …

Mice deficient for corticotropin-releasing hormone receptor-2 display anxiety-like behaviour and are hypersensitive to stress

TL Bale, A Contarino, GW Smith, R Chan, LH Gold… - Nature …, 2000 - nature.com
Corticotropin-releasing hormone (Crh) is a critical coordinator of the hypothalamic-pituitary-adrenal
(HPA) axis. In response to stress, Crh released from the paraventricular nucleus (…