R C Chan

Summary

Affiliation: The University of Hong Kong
Country: China

Publications

  1. ncbi request reprint Dysexecutive symptoms among a non-clinical sample: a study with the use of the Dysexecutive Questionnaire
    R C Chan
    Department of Psychiatry, The University of Hong Kong
    Br J Psychol 92:551-65. 2001
  2. ncbi request reprint The application of "dysexecutive syndrome" measures across cultures: performance and checklist assessment in neurologically healthy and traumatically brain-injured Hong Kong Chinese volunteers
    Raymond C K Chan
    Department of Psychiatry, The University of Hong Kong, Hong Kong, China
    J Int Neuropsychol Soc 8:771-80. 2002
  3. ncbi request reprint Attentional deficits in patients with post-concussion symptoms: a componential perspective
    R C Chan
    Department of Psychology, The University of Hong Kong, PR China
    Brain Inj 15:71-94. 2001
  4. ncbi request reprint Base rate of post-concussion symptoms among normal people and its neuropsychological correlates
    R C Chan
    Department of Psychiatry, University of Hong Kong, China
    Clin Rehabil 15:266-73. 2001
  5. ncbi request reprint A further study on the sustained attention response to task (SART): the effect of age, gender and education
    R C Chan
    Department of Psychiatry, The University of Hong Kong, Hong Kong, PR China
    Brain Inj 15:819-29. 2001
  6. ncbi request reprint Attentional deficits in patients with closed head injury: a further study to the discriminative validity of the test of everyday attention
    R C Chan
    Department of Psychology, The University of Hong Kong, PR China
    Brain Inj 14:227-36. 2000
  7. ncbi request reprint Stress and coping in spouses of persons with spinal cord injuries
    R C Chan
    Department of Psychology, The University of Hong Kong, China
    Clin Rehabil 14:137-44. 2000
  8. ncbi request reprint The pattern of coping in persons with spinal cord injuries
    R C Chan
    Department of Psychology, The University of Hong Kong
    Disabil Rehabil 22:501-7. 2000
  9. ncbi request reprint Latent structure of the Test of Everyday Attention: convergent evidence from patients with traumatic brain injury
    Raymond C K Chan
    Neuropsychology and Applied Cognitive Neuroscience Laboratory, Department of Psychology, Sun Yat Sen University, Guangzhou, PR China
    Brain Inj 20:653-9. 2006
  10. ncbi request reprint Neurocognitive deficits in first-episode schizophrenic patients and their first-degree relatives
    Xiaohong Ma
    Psychiatric Laboratory and Department of Psychiatry, West China Hospital, Sichuan University, Chengdu, P R China
    Am J Med Genet B Neuropsychiatr Genet 144:407-16. 2007

Collaborators

Detail Information

Publications37

  1. ncbi request reprint Dysexecutive symptoms among a non-clinical sample: a study with the use of the Dysexecutive Questionnaire
    R C Chan
    Department of Psychiatry, The University of Hong Kong
    Br J Psychol 92:551-65. 2001
    ..This study provides empirical evidence that a non-clinical sample may encounter similar dysexecutive behaviours in daily life. The issue of the fractionation of the executive system among the non-clinical sample will also be discussed...
  2. ncbi request reprint The application of "dysexecutive syndrome" measures across cultures: performance and checklist assessment in neurologically healthy and traumatically brain-injured Hong Kong Chinese volunteers
    Raymond C K Chan
    Department of Psychiatry, The University of Hong Kong, Hong Kong, China
    J Int Neuropsychol Soc 8:771-80. 2002
    ..Accordingly, the conditions for assessing their clinical sensitivity were met. Comparison between 30 Chinese patients with TBI and matched controls showed that both questionnaires and tests were sensitive to the deficits in this group...
  3. ncbi request reprint Attentional deficits in patients with post-concussion symptoms: a componential perspective
    R C Chan
    Department of Psychology, The University of Hong Kong, PR China
    Brain Inj 15:71-94. 2001
    ..It is hoped that a better understanding of the underlying mechanism of such defects will foster and guide the development of intervention...
  4. ncbi request reprint Base rate of post-concussion symptoms among normal people and its neuropsychological correlates
    R C Chan
    Department of Psychiatry, University of Hong Kong, China
    Clin Rehabil 15:266-73. 2001
    ..To explore the base rate of symptoms similar to those of post-concussion symptoms (PCS) among a group of participants without head injury. The effect of subjective complaints upon cognitive functioning was also examined...
  5. ncbi request reprint A further study on the sustained attention response to task (SART): the effect of age, gender and education
    R C Chan
    Department of Psychiatry, The University of Hong Kong, Hong Kong, PR China
    Brain Inj 15:819-29. 2001
    ..In keeping with previous studies, the present findings demonstrate that SART is able to discriminate the patients with TBI from normal controls...
  6. ncbi request reprint Attentional deficits in patients with closed head injury: a further study to the discriminative validity of the test of everyday attention
    R C Chan
    Department of Psychology, The University of Hong Kong, PR China
    Brain Inj 14:227-36. 2000
    ....
  7. ncbi request reprint Stress and coping in spouses of persons with spinal cord injuries
    R C Chan
    Department of Psychology, The University of Hong Kong, China
    Clin Rehabil 14:137-44. 2000
    ..To examine the sources of stress and the patterns of coping of spouses of persons with spinal cord injuries (SCI) among Hong Kong Chinese...
  8. ncbi request reprint The pattern of coping in persons with spinal cord injuries
    R C Chan
    Department of Psychology, The University of Hong Kong
    Disabil Rehabil 22:501-7. 2000
    ..To examine the modes of coping and adjustment of persons with spinal cord injuries (SCI) in Hong Kong...
  9. ncbi request reprint Latent structure of the Test of Everyday Attention: convergent evidence from patients with traumatic brain injury
    Raymond C K Chan
    Neuropsychology and Applied Cognitive Neuroscience Laboratory, Department of Psychology, Sun Yat Sen University, Guangzhou, PR China
    Brain Inj 20:653-9. 2006
    ..The present study aimed to examine the nature of attention distinctions among sub-tests of the Test of Everyday Attention (TEA) underlying the performance of patients with traumatic brain injury (TBI)...
  10. ncbi request reprint Neurocognitive deficits in first-episode schizophrenic patients and their first-degree relatives
    Xiaohong Ma
    Psychiatric Laboratory and Department of Psychiatry, West China Hospital, Sichuan University, Chengdu, P R China
    Am J Med Genet B Neuropsychiatr Genet 144:407-16. 2007
    ..These patterns of neurocognitive deficits may represent "endophenotypes" denoting varying degrees of vulnerability to schizophrenia and may be of value in future molecular genetic studies...
  11. ncbi request reprint The components of executive functioning in a cohort of patients with chronic schizophrenia: a multiple single-case study design
    Raymond C K Chan
    Neuropsychology and Applied Cognitive Neuroscience Laboratory, Department of Psychology, Sun Yat Sen University, Guangzhou 510275, China
    Schizophr Res 81:173-89. 2006
    ..The differential breakdown for the executive functioning performance across the participants suggests that the fractionation of central executive functioning occurs in schizophrenia...
  12. ncbi request reprint Latent structure of the Test of Everyday Attention in a non-clinical Chinese sample
    Raymond C K Chan
    Neuropsychology and Applied Cognitive Neuroscience Laboratory, Department of Psychology, Sun Yat Sen University, Guangzhou, China
    Arch Clin Neuropsychol 21:477-85. 2006
    ....
  13. ncbi request reprint Talking while performing a task: a better attentional performance in patients with closed head injury?
    Raymond C K Chan
    Department of Psychiatry, The University of Hong Kong, Hong Kong, China
    J Clin Exp Neuropsychol 24:695-704. 2002
    ....
  14. ncbi request reprint Reliability and validity of the Cantonese version of the Test of Everyday Attention among normal Hong Kong Chinese: a preliminary report
    Raymond C K Chan
    Department of Psychiatry, The University of Hong Kong, Hong Kong
    Clin Rehabil 16:900-9. 2002
    ..To validate the translated Cantonese version of an ecologically valid clinical test of attention - the Test of Everyday Attention (TEA)...
  15. doi request reprint Neurological soft signs as candidate endophenotypes for schizophrenia: a shooting star or a Northern star?
    Raymond C K Chan
    Neuropsychology and Applied Cognitive Neuroscience Laboratory, Institute of Psychology, Chinese Academy of Sciences, Beijing, China
    Neurosci Biobehav Rev 32:957-71. 2008
    ..Finally, we recommend areas in which additional research should be done to further elucidate the potential use of neurological soft signs for schizophrenia research...
  16. ncbi request reprint Executive functioning in healthy elderly Chinese people
    Han Lin
    Neuropsychology and Applied Cognitive Neuroscience Laboratory, Department of Psychology, Sun Yat Sen University, Guangzhou, China
    Arch Clin Neuropsychol 22:501-11. 2007
    ..In addition, executive functions were selectively affected by older age, with attention location and planning and initiation being the components that were most affected...
  17. ncbi request reprint Two dissociable aspects of feeling-of-knowing: knowing that you know and knowing that you do not know
    Yan Liu
    Peking University, Beijing, P R China
    Q J Exp Psychol (Hove) 60:672-80. 2007
    ..Our results suggest that feeling-of-knowing is a heterogeneous process...
  18. ncbi request reprint Neurological abnormalities in Chinese schizophrenic patients
    Raymond C K Chan
    Neuropsychology and Applied Cognitive Neuroscience Laboratory, Institute of Psychology, Chinese Academy of Sciences, Beijing, China
    Behav Neurol 18:171-81. 2007
    ..This study attempted to examine the prevalence and type of neurological signs in Chinese patients with schizophrenia...
  19. doi request reprint A psychometric study of the Test of Everyday Attention for Children in the Chinese setting
    Raymond C K Chan
    Neuropsychology and Applied Cognitive Neuroscience Laboratory, Institute of Psychology, Chinese Academy of Sciences, Beijing, China
    Arch Clin Neuropsychol 23:455-66. 2008
    ..To explore the psychometric properties of the Test of Everyday Attention for Children (TEA-Ch) in the context of a Chinese setting...
  20. ncbi request reprint Comprehension of metaphor and irony in schizophrenia during remission: the role of theory of mind and IQ
    Shuliang Mo
    Department of Psychology, Peking University, 5 Yihe Yuan Road, Beijing, 100871, PR China
    Psychiatry Res 157:21-9. 2008
    ..G.E., 1993. Communication competence and theory of mind in autism: a test of relevance theory. Cognition 48, 101-119] theory and the shared semantic understanding requirement was discussed...
  21. ncbi request reprint Error monitoring is associated with the clinical state of schizophrenia
    Annie J Huang
    Aust N Z J Psychiatry 41:773-4. 2007
  22. ncbi request reprint Assessment of executive functions: review of instruments and identification of critical issues
    Raymond C K Chan
    Neuropsychology and Applied Cognitive Neuroscience Laboratory and Key Laboratory of Mental Health, Institute of Psychology, Chinese Academy of Sciences, China
    Arch Clin Neuropsychol 23:201-16. 2008
    ..Recently developed measurement models and technology may also facilitate a more ecologically and ethologically valid assessment for the specific needs of different individuals...
  23. doi request reprint The development of a Chinese equivalence version of letter-number span test
    Raymond C K Chan
    Neuropsychology and Applied Cognitive Neuroscience Laboratory, Institute of Psychology, Chinese Academy of Sciences, Beijing, China
    Clin Neuropsychol 22:112-21. 2008
    ..01). The preliminary findings suggest that the Chinese version of the LN Span Test shows impressive preliminary validity among a group of healthy volunteers and an impressive clinical discriminative validity among a group of stroke cases...
  24. doi request reprint Objective measures of prospective memory do not correlate with subjective complaints in schizophrenia
    Raymond C K Chan
    Neuropsychology and Applied Cognitive Neuroscience Laboratory, Institute of Psychology, Chinese Academy of Sciences, Beijing, China
    Schizophr Res 103:229-39. 2008
    ..Taken together, these findings suggest that subjective and objective measures of prospective memory are two distinct domains that might need to be assessed and addressed separately...
  25. ncbi request reprint Multitasking performance of Chinese children with ADHD
    Raymond C K Chan
    Department of Psychology, Neuropsychology and Applied Cognitive Neuroscience Laboratory, Sun Yat Sen University, Guangzhou, China
    J Int Neuropsychol Soc 12:575-9. 2006
    ..The main impairments of multitasking behavior in this clinical group involve the inhibition of goal-directed planning, flexible strategy generation, and self-monitoring...
  26. ncbi request reprint Examination of postconcussion-like symptoms in healthy university students: relationships to subjective and objective neuropsychological function performance
    Ya Wang
    Neuropsychology and Applied Cognitive Neuroscience Laboratory, Department of Psychology, Sun Yat Sen University, Guangzhou 510275, China
    Arch Clin Neuropsychol 21:339-47. 2006
    ....
  27. ncbi request reprint Are there sub-types of attentional deficits in patients with persisting post-concussive symptoms? A cluster analytical study
    Raymond C K Chan
    Department of Psychiatry, The University of Hong Kong, Hong Kong, PR China
    Brain Inj 17:131-48. 2003
    ..The present study aimed to examine attentional deficits in patients with persisting post-concussive symptoms using a multi-componential framework of attention...
  28. ncbi request reprint Attentional deficits in patients with persisting postconcussive complaints: a general deficit or specific component deficit?
    Raymond C K Chan
    Department of Psychiatry, The University of Hong Kong, Hong Kong, PRC
    J Clin Exp Neuropsychol 24:1081-93. 2002
    ..Future research should be conducted to better control the potential confound of speed for all the attentional components in order to differentiate any specific component deficits in these patients...
  29. ncbi request reprint An application of individual subtest scores calculation in the Cantonese version of the Test of Everyday Attention
    Raymond C K Chan
    Department of Psychology, Sun Yat Sen University, Guangzhou, China
    Psychol Rep 93:1275-82. 2003
    ..The data are useful for clinicians when they take into account cultural differences of Cantonese-speaking clinical populations...
  30. ncbi request reprint Blink rate does matter: a study of blink rate, sustained attention, and neurological signs in schizophrenia
    Raymond C K Chan
    Department of Psychiatry, University of Hong Kong, Hong Kong, China
    J Nerv Ment Dis 192:781-3. 2004
    ..There was also a trend for those patients at the upper quartiles to commit more error in a sustained attention task. These findings suggest that blink rate is associated with disinhibition signs in the present sample...
  31. ncbi request reprint The differential clinical and neurocognitive profiles of COMT SNP rs165599 genotypes in schizophrenia
    Raymond C K Chan
    Neuropsychology and Applied Cognitive Neuroscience Laboratory, Department of Psychology, Sun Yat Sen University, Guangzhou, China
    J Int Neuropsychol Soc 11:202-4. 2005
  32. ncbi request reprint An instrument to assess mental patients' capacity to appraise and report subjective quality of life
    Josephine G W S Wong
    Department of Psychiatry, The University of Hong Kong, Hong Kong SAR, China
    Qual Life Res 14:687-94. 2005
    ..The CapQOL demonstrated satisfactory psychometric properties. Further validation studies in people with psychosis as well as other mental disabilities are indicated...
  33. ncbi request reprint Impact of untreated psychosis on quality of life in patients with first-episode schizophrenia
    C W Law
    Department of Psychiatry, Queen Mary Hospital, The University of Hong Kong, 102 Pokfulam Road, Hong Kong
    Qual Life Res 14:1803-11. 2005
    ..Amongst various clinical parameters, the severity of depressive symptoms correlates most with QOL...
  34. ncbi request reprint Specific executive dysfunction in patients with first-episode medication-naïve schizophrenia
    Raymond C K Chan
    Neuropsychology and Applied Cognitive Neuroscience Laboratory, Department of Psychology, Sun Yat Sen University, Guangzhou, China
    Schizophr Res 82:51-64. 2006
    ..This differential breakdown of executive function components is unlikely to be an artefact of general intellectual decline or memory impairment in schizophrenia...
  35. ncbi request reprint Clozapine alone versus clozapine and risperidone with refractory schizophrenia
    William G Honer
    Centre for Complex Disorders and the Department of Psychiatry, University of British Columbia, Vancouver General Hospital Research Pavilion, Vancouver, Canada
    N Engl J Med 354:472-82. 2006
    ..The treatment of schizophrenia with multiple antipsychotic drugs is common, but the benefits and risks are not known...
  36. ncbi request reprint The neural basis of motor sequencing: an fMRI study of healthy subjects
    Raymond C K Chan
    Department of Psychology, Sun Yat Sen University, and Department of Radiology, First Affiliated Hospital, Guangzhou 510275, PR
    Neurosci Lett 398:189-94. 2006
    ..These also provide the empirical data on the neural basis of neurological soft signs for further study in other clinical group like schizophrenia in the near future...
  37. doi request reprint A regulation role of the prefrontal cortex in the fist-edge-palm task: evidence from functional connectivity analysis
    Hengyi Rao
    Department of Psychology, Center for Functional Brain Imaging and First Affiliated Hospital, Sun Yat Sen University, Guangzhou, 510275, China
    Neuroimage 41:1345-51. 2008
    ....