User profiles for James C. Johnston

James Johnston

Clinical Professor, BCCDC and UBC Respiratory Medicine
Verified email at bccdc.ca
Cited by 6821

Involuntary covert orienting is contingent on attentional control settings.

…, RW Remington, JC Johnston - Journal of Experimental …, 1992 - psycnet.apa.org
Four experiments tested a new hypothesis that involuntary attention shifts are contingent on
the relationship between the properties of the eliciting event and the properties required for …

Diagnostic accuracy of serological tests for covid-19: systematic review and meta-analysis

…, SK Abidi, JR Campbell, LP Haraoui, JC Johnston… - bmj, 2020 - bmj.com
… Mayara Lisboa Bastos,1,2 Gamuchirai Tavaziva,1 Syed Kunal Abidi,1 Jonathon R
Campbell,1,6 Louis-Patrick Haraoui,3 James C Johnston,4 Zhiyi Lan,1 Stephanie Law,5 Emily …

[HTML][HTML] Whole-genome sequencing and social-network analysis of a tuberculosis outbreak

JL Gardy, JC Johnston, SJH Sui, VJ Cook… - … England Journal of …, 2011 - Mass Medical Soc
Background An outbreak of tuberculosis occurred over a 3-year period in a medium-size
community in British Columbia, Canada. The results of mycobacterial interspersed repetitive unit…

Attention and performance

H Pashler, JC Johnston… - Annual review of …, 2001 - annualreviews.org
▪ Abstract Recent progress in the study of attention and performance is discussed, focusing
on the nature of attentional control and the effects of practice. Generally speaking, the effects …

Chronometric evidence for central postponement in temporally overlapping tasks

H Pashler, JC Johnston - The Quarterly Journal of Experimental …, 1989 - Taylor & Francis
When the stimuli from two tasks arrive in rapid succession (the overlapping tasks paradigm),
response delays are typically observed. Two general types of models have been proposed …

Word identification in reading proceeds from spelling to sound to meaning.

GC Van Orden, JC Johnston… - Journal of Experimental …, 1988 - psycnet.apa.org
Van Orden (1987) reported that false positive errors in a categorization task are elevated for
homophonic foils (eg,{hare} for {a part of the human body}). Two new experiments replicate …

[HTML][HTML] Treatment outcomes of multidrug-resistant tuberculosis: a systematic review and meta-analysis

JC Johnston, NC Shahidi, M Sadatsafavi… - PloS one, 2009 - journals.plos.org
Background Treatment outcomes for multidrug-resistant Mycobacterium Tuberculosis (MDRTB)
are generally poor compared to drug sensitive disease. We sought to estimate treatment …

Involuntary attentional capture by abrupt onsets

RW Remington, JC Johnston, S Yantis - Perception & Psychophysics, 1992 - Springer
The extent to which brief abrupt-onset visual stimuli involuntarily capture spatial attention
was examined in five experiments. The paradigm used was intended to maximize the …

Genomic analysis identifies targets of convergent positive selection in drug-resistant Mycobacterium tuberculosis

…, B Plikaytis, MR Oggioni, JL Gardy, JC Johnston… - Nature …, 2013 - nature.com
M. tuberculosis is evolving antibiotic resistance, threatening attempts at tuberculosis epidemic
control. Mechanisms of resistance, including genetic changes favored by selection in …

On the locus of visual selection: evidence from focused attention tasks.

S Yantis, JC Johnston - Journal of experimental psychology …, 1990 - psycnet.apa.org
Early and late selection models of attention disagree about whether visual objects are identified
before or after selection, with recent evidence of interference from to-be-ignored stimuli …