Todd C Handy

Summary

Affiliation: University of British Columbia
Country: Canada

Publications

  1. ncbi Cortical and subcortical contributions to the representation of temporal information
    Todd C Handy
    Department of Psychological and Brain Sciences, Center for Cognitive Neuroscience, Dartmouth College, Hanover, NH 03755, USA
    Neuropsychologia 41:1461-73. 2003
  2. ncbi Motor experience with graspable objects reduces their implicit analysis in visual- and motor-related cortex
    Todd C Handy
    Department of Psychology, University of British Columbia, 2136 West Mall, Vancouver, BC Canada V6T 1Z4
    Brain Res 1097:156-66. 2006
  3. doi ERP evidence for rapid hedonic evaluation of logos
    Todd C Handy
    Department of Psychology, University of British Columbia, 2136 West Mall, Vancouver, BC Canada V6T 1Z4
    J Cogn Neurosci 22:124-38. 2010
  4. ncbi Attentional orienting to graspable objects: what triggers the response?
    Todd C Handy
    Department of Psychology, University of British Columbia, Vancouver, BC Canada
    Neuroreport 18:941-4. 2007
  5. ncbi Placing a tool in the spotlight: spatial attention modulates visuomotor responses in cortex
    Todd C Handy
    Department of Psychology, University of British Columbia, Vancouver, Canada
    Neuroimage 26:266-76. 2005
  6. ncbi Attention and sensory gain control: a peripheral visual process?
    Todd C Handy
    Department of Psychology, University of British Columbia, Vancouver, BC, Canada V6T 1Z4
    J Cogn Neurosci 17:1936-49. 2005
  7. pmc Age-related changes in the attentional control of visual cortex: a selective problem in the left visual hemifield
    Lindsay S Nagamatsu
    Department of Psychology, The University of British Columbia, Canada
    Neuropsychologia 49:1670-8. 2011
  8. doi Slow fluctuations in attentional control of sensory cortex
    Julia W Y Kam
    Department of Psychology, University of British Columbia, Vancouver, British Columbia, Canada
    J Cogn Neurosci 23:460-70. 2011
  9. doi Reflexive attentional orienting in migraineurs: The behavioral implications of hyperexcitable visual cortex
    Marla J S Mickleborough
    University of British Columbia, Canada
    Cephalalgia 31:1642-51. 2011
  10. doi Top-down control of visual cortex in migraine populations
    Marla J S Mickleborough
    Graduate Program in Neuroscience, University of British Columbia, Vancouver, Canada
    Neuropsychologia 49:1006-15. 2011

Research Grants

  1. Spatial Attention in Visuomotor Processing
    TODD HANDY; Fiscal Year: 2005

Detail Information

Publications35

  1. ncbi Cortical and subcortical contributions to the representation of temporal information
    Todd C Handy
    Department of Psychological and Brain Sciences, Center for Cognitive Neuroscience, Dartmouth College, Hanover, NH 03755, USA
    Neuropsychologia 41:1461-73. 2003
    ....
  2. ncbi Motor experience with graspable objects reduces their implicit analysis in visual- and motor-related cortex
    Todd C Handy
    Department of Psychology, University of British Columbia, 2136 West Mall, Vancouver, BC Canada V6T 1Z4
    Brain Res 1097:156-66. 2006
    ..Taken together, these data support the proposal that repeated real-world motor experience with an object category may lead to reduced implicit analysis in both motor- and visual-related regions of cortex...
  3. doi ERP evidence for rapid hedonic evaluation of logos
    Todd C Handy
    Department of Psychology, University of British Columbia, 2136 West Mall, Vancouver, BC Canada V6T 1Z4
    J Cogn Neurosci 22:124-38. 2010
    ..Taken together, our results provide direct electrophysiological evidence suggesting that we rapidly and implicitly evaluate commercial branding images at a hedonic level...
  4. ncbi Attentional orienting to graspable objects: what triggers the response?
    Todd C Handy
    Department of Psychology, University of British Columbia, Vancouver, BC Canada
    Neuroreport 18:941-4. 2007
    ..Our ERP data, however, indicated that attention was drawn to the tool's location regardless of hemifield, suggesting that graspable objects can trigger attentional orienting via either an object or hand-specific motor representation...
  5. ncbi Placing a tool in the spotlight: spatial attention modulates visuomotor responses in cortex
    Todd C Handy
    Department of Psychology, University of British Columbia, Vancouver, Canada
    Neuroimage 26:266-76. 2005
    ....
  6. ncbi Attention and sensory gain control: a peripheral visual process?
    Todd C Handy
    Department of Psychology, University of British Columbia, Vancouver, BC, Canada V6T 1Z4
    J Cogn Neurosci 17:1936-49. 2005
    ....
  7. pmc Age-related changes in the attentional control of visual cortex: a selective problem in the left visual hemifield
    Lindsay S Nagamatsu
    Department of Psychology, The University of British Columbia, Canada
    Neuropsychologia 49:1670-8. 2011
    ....
  8. doi Slow fluctuations in attentional control of sensory cortex
    Julia W Y Kam
    Department of Psychology, University of British Columbia, Vancouver, British Columbia, Canada
    J Cogn Neurosci 23:460-70. 2011
    ..Collectively, our findings suggest that sensory gain control in cortex is yoked to the natural ebb and flow in how much attention we pay to the current task over time...
  9. doi Reflexive attentional orienting in migraineurs: The behavioral implications of hyperexcitable visual cortex
    Marla J S Mickleborough
    University of British Columbia, Canada
    Cephalalgia 31:1642-51. 2011
    ..The goal of our study was to examine the behavioral impact of this visuocortical hyperexcitability, in terms of its effect on reflexive visual attentional orienting...
  10. doi Top-down control of visual cortex in migraine populations
    Marla J S Mickleborough
    Graduate Program in Neuroscience, University of British Columbia, Vancouver, Canada
    Neuropsychologia 49:1006-15. 2011
    ....
  11. pmc Are impairments in visual-spatial attention a critical factor for increased falls risk in seniors? An event-related potential study
    Lindsay S Nagamatsu
    Department of Psychology, The University of British Columbia, 2136 West Mall, Vancouver, BC, V6T 1Z4 Canada
    Neuropsychologia 47:2749-55. 2009
    ..Our findings thus suggest that fallers have specific deficits in visuocortical systems associated with attentional enhancement of events on the left side of visual space...
  12. ncbi Disruptions in brain networks of older fallers are associated with subsequent cognitive decline: a 12-month prospective exploratory study
    Chun Liang Hsu
    Aging, Mobility, and Cognitive Neuroscience Lab, University of British Columbia, Vancouver, British Columbia, Canada Department of Physical Therapy, University of British Columbia, Vancouver, British Columbia, Canada Brain Research Center, University of British Columbia, Vancouver, British Columbia, Canada Center for Hip Health and Mobility, Vancouver, British Columbia, Canada
    PLoS ONE 9:e93673. 2014
    ..32 and 0.33 respectively; p≤0.04). Thus, a recent history of multiple falls among older adults without a diagnosis of dementia may indicate sub-clinical changes in brain function and increased risk for subsequent decline. ..
  13. doi Bootstrap analysis of the single subject with event related potentials
    Ipek Oruc
    Department of Ophthalmology and Visual Science, University of British Columbia, Vancouver, BC, Canada
    Cogn Neuropsychol 28:322-37. 2011
    ....
  14. doi Mind-wandering and falls risk in older adults
    Lindsay S Nagamatsu
    Department of Psychology, University of British Columbia
    Psychol Aging 28:685-91. 2013
    ..Given that fallers are known to have impaired executive cognitive functioning, our results are consistent with the current theory that poor attentional control may contribute to the occurrence of mind-wandering...
  15. pmc Functional neural correlates of reduced physiological falls risk
    Lindsay S Nagamatsu
    Department of Psychology, University of British Columbia, Vancouver BC, Canada
    Behav Brain Funct 7:37. 2011
    ..If these are related, it would suggest that the development of interventions targeted at improving executive neurocognitive function would be an effective new approach for reducing physiological falls risk in seniors...
  16. pmc Increased cognitive load leads to impaired mobility decisions in seniors at risk for falls
    Lindsay S Nagamatsu
    Department of Psychology, 2136 West Mall, Vancouver, BC V6T 1Z4 Canada
    Psychol Aging 26:253-9. 2011
    ..We conclude that poor mobility judgments during a dual-task leads to unsafe mobility for those at-risk for falls...
  17. doi Event-related potential evidence for a dual-locus model of global/local processing
    Kirsten A Dalrymple
    University of British Columbia, Vancouver, BC, Canada
    Cogn Neuropsychol 26:456-70. 2009
    ....
  18. doi The anatomic basis of the right face-selective N170 IN acquired prosopagnosia: a combined ERP/fMRI study
    Kirsten A Dalrymple
    Department of Psychology, University of British Columbia, Vancouver, Canada
    Neuropsychologia 49:2553-63. 2011
    ..We conclude that the face-selective N170 in prosopagnosia requires residual function of at least two components of the core face-processing network...
  19. doi Interhemispheric enhancement of somatosensory cortical excitability through contralateral repetitive transcranial magnetic stimulation
    Sean K Meehan
    Department of Physical Therapy, University of British Columbia, Vancouver, BC, Canada
    Clin Neurophysiol 122:1637-44. 2011
    ..Somatosensory evoked potentials (SEPs) were used to index somatosensory-somatosensory interhemispheric interactions and highlight potential mechanisms by which TMS alters contralateral somatosensory cortex excitability...
  20. pmc Mind wandering and motor control: off-task thinking disrupts the online adjustment of behavior
    Julia W Y Kam
    Attentional Neuroscience Lab, Department of Psychology, University of British Columbia Vancouver, BC, Canada
    Front Hum Neurosci 6:329. 2012
    ..Our findings suggest that the functional consequences of mind wandering are not limited to just the processing of incoming stimulation per se, but extend as well to the control and adjustment of behavior...
  21. doi Resistance training and functional plasticity of the aging brain: a 12-month randomized controlled trial
    Teresa Liu-Ambrose
    The Brain Research Centre, University of British Columbia, Vancouver, BC, Canada
    Neurobiol Aging 33:1690-8. 2012
    ....
  22. doi Observational practice benefits are limited to perceptual improvements in the acquisition of a novel coordination skill
    Dana Maslovat
    School of Human Kinetics, University of British Columbia, Vancouver, BC, Canada
    Exp Brain Res 204:119-30. 2010
    ..These results are discussed in terms of cognitive mediation models of motor skill learning...
  23. doi Neural systems mediating field and observer memories
    Eric Eich
    Department of Psychology, University of British Columbia, Vancouver, BC, Canada
    Neuropsychologia 47:2239-51. 2009
    ..Rather, there is also a significant reduction in one's cortical representations of the physical, embodied self when a third-person--or disembodied--perspective is taken at retrieval...
  24. doi An unforgettable apple: memory and attention for forbidden objects
    Grace Truong
    Department of Psychology, University of British Columbia, 2136 West Mall, Vancouver, British Columbia, Canada, V6T 1Z4
    Cogn Affect Behav Neurosci 13:803-13. 2013
    ..Our findings thus suggest that, whereas self-forbidden objects share a common cognitive signature with self-owned objects, they are unique in being identified more quickly at a neurocognitive level. ..
  25. ncbi Increasing the effect size in event-related fMRI studies
    Martin J McKeown
    Pacific Parkinson s Research Centre, University of British Columbia, University Hospital, Vancouver
    IEEE Eng Med Biol Mag 25:91-101. 2006
  26. ncbi Differential recruitment of executive resources during mind wandering
    Julia W Y Kam
    Department of Psychology, University of British Columbia, Canada Electronic address
    Conscious Cogn 26:51-63. 2014
    ..Rather, it appears to selectively engage certain executive functions, which may reflect the adaptive maintenance of ongoing task performance. ..
  27. ncbi I don't feel your pain (as much): the desensitizing effect of mind wandering on the perception of others' discomfort
    Julia W Y Kam
    Department of Psychology, University of British Columbia, 2136 West Mall, Vancouver, BC, V6T 1Z4, Canada
    Cogn Affect Behav Neurosci 14:286-96. 2014
    ..Collectively, our findings demonstrate that mind wandering can directly modulate the cortical processing of affectively salient stimulus inputs, serving in this case to reduce sensitivity to the physical discomfort of others. ..
  28. pmc The association between cognitive function and white matter lesion location in older adults: a systematic review
    Niousha Bolandzadeh
    Department of Physical Therapy, University of British Columbia, 212 2177 Wesbrook Mall, Vancouver, BC V6T 1Z3, Canada
    BMC Neurol 12:126. 2012
    ..This review systematically evaluates peer-reviewed evidence on the role of anatomical location in the association between WMLs and cognitive function...
  29. pmc Resistance training and executive functions: a 12-month randomized controlled trial
    Teresa Liu-Ambrose
    BrainResearch Centre, Centre for Hip Health and Mobility, Vancouver Coastal Research Institute, Department of Physical Therapy, University of British Columbia 357 2647 Willow St, Vancouver, BC V5Z 3P1, Canada
    Arch Intern Med 170:170-8. 2010
    ..We compared the effect of once-weekly and twice-weekly resistance training with that of twice-weekly balance and tone exercise training on the performance of executive cognitive functions in senior women...
  30. ncbi Graspable objects grab attention when the potential for action is recognized
    Todd C Handy
    Center for Cognitive Neuroscience, 6162 Moore Hall, Dartmouth College, Hanover, New Hampshire 03755, USA
    Nat Neurosci 6:421-7. 2003
    ..Although it is widely accepted that visual sensory gain aids perception, our results suggest that it may also have consequences for object-directed actions...
  31. ncbi Going AWOL in the brain: mind wandering reduces cortical analysis of external events
    Jonathan Smallwood
    School of Psychology, University of Aberdeen, Aberdeen, Scotland, UK
    J Cogn Neurosci 20:458-69. 2008
    ..Our data suggest that when trying to engage attention in a sustained manner, the mind will naturally ebb and flow in the depth of cognitive analysis it applies to events in the external environment...
  32. doi Brain responses to biological relevance
    Christine M Tipper
    University of British Columbia
    J Cogn Neurosci 20:879-91. 2008
    ....
  33. ncbi Hemispheric asymmetries in the parietal lobes
    Mary K Colvin
    Department of Psychological and Brain Sciences, Center for Cognitive Neuroscience, Dartmouth College, Hanover, New Hampshire, USA
    Adv Neurol 93:321-34. 2003
  34. ncbi From facial cue to dinner for two: the neural substrates of personal choice
    David J Turk
    Department of Psychological and Brain Sciences, Center for Cognitive Neuroscience, Dartmouth College, Hanover, NH 03755, USA
    Neuroimage 22:1281-90. 2004
    ..The implications of these findings for current accounts of response selection and social-cognitive functioning are considered...
  35. ncbi Extensive individual differences in brain activations associated with episodic retrieval are reliable over time
    Michael B Miller
    Department of Psychology, University of California, Santa Barbara 93106, USA
    J Cogn Neurosci 14:1200-14. 2002
    ..We believe that individual analysis in conjunction with group analysis may be critical to fully understanding the relationship between retrieval processes and underlying brain regions...

Research Grants1

  1. Spatial Attention in Visuomotor Processing
    TODD HANDY; Fiscal Year: 2005
    ....