[1] Simon Fraser Univ, Dept Biomed Physiol & Kinesiol, 8888 Univ Dr, Burnaby, BC V5A 1S6, Canada
[2] Simon Fraser Univ, Behav & Cognit Neurosci Inst, Burnaby, BC V5A 1S6, Canada
[3] Univ British Columbia, Dept Psychol, Vancouver, BC V5Z 1M9, Canada
[4] Univ British Columbia, Brain Res Ctr, Vancouver, BC V5Z 1M9, Canada