Professor Liana Machado

2026

Journal - Research Article

Machado, L., Berryman, A., & Perry, C. (2026). Cognition, mood, and brain hemodynamics after interval stair climbing: A randomized controlled crossover trial in university students. Journal of Cognitive Enhancement, 10(2), 126-139. doi: 10.1007/s41465-026-00361-9

Berryman, A., & Machado, L. (2026). Cognitive and electrophysiological biomarkers of endometriosis with versus without chronic pelvic pain. Neuropsychology. Advance online publication. doi: 10.1037/neu0001069

Ramos, A. A., Machado, L., Godoy, C., Teixeira, L. M., Lima-Costa, M. F., Cominetti, M. R., & Ferri, C. P. (2026). Cognition in later life: The role of structural support and life satisfaction in the Brazilian Longitudinal Study of Aging (ELSI-Brazil). Neuropsychology. Advance online publication. doi: 10.1037/neu0001066

Ramos, A. A., Boaventura, V., Nascimento, A. A., Leite, L. L. R., & Machado, L. (2026). Intellectual achievement and cognitive functioning in children and adolescents with ADHD-affected siblings: A systematic literature review and meta-analysis. Clinical Pyschology Review, 123, 102688. doi: 10.1016/j.cpr.2025.102688

2025

Journal - Research Article

McNeill, R., Marshall, R., Fernando, S. A., Harrison, O., & Machado, L. (2025). COVID-19 may enduringly impact cognitive performance and brain haemodynamics in undergraduate students. Brain, Behavior & Immunity, 125, 58-67. doi: 10.1016/j.bbi.2024.12.002

Nasrollahi, N., Jowett, T., & Machado, L. (2025). Effects of wearing a surgical face mask on cognitive functioning and mood states: A randomised controlled trial in young adults. Cognitive Processing, 26, 189-199. doi: 10.1007/s10339-024-01238-5

Ramos, A. A., Bertola, L., Figueiredo da Mata, F. A., Barbosa, M. G., Boaventura, V., Machado, L., … Ferri, C. P. (2025). Socioeconomic determinants of cognition among older adults in the Brazilian longitudinal study of aging (ELSI-Brazil): A life-course approach. Social Psychiatry & Psychiatric Epidemiology, 60, 1053-1062. doi: 10.1007/s00127-024-02734-x

Ramos, A. A., & Machado, L. (2025). 3-Year test-retest reliability in Parkinson's disease and healthy older adults: The Parkinson's progression markers initiative study. Applied Neuropsychology: Adult, 32(6), 1678-1690. doi: 10.1080/23279095.2024.2303718

Journal - Research Other

Berryman, A., & Machado, L. (2025). Cognitive functioning in females with endometriosis-associated chronic pelvic pain: A literature review. Archives of Clinical Neuropsychology, 40, 1066-1080. doi: 10.1093/arclin/acaf003

Other Research Output

Machado, L. (2025, September). Cognition in health and disease. University of Otago, Dunedin, New Zealand. [Inaugural Professorial Lecture].

2024

Journal - Research Article

Stenling, A., Quensell, J., Kaur, N., & Machado, L. (2024). Stair climbing improves cognitive switching performance and mood in healthy young adults: A randomized controlled crossover trial. Journal of Cognitive Enhancement, 8, 191-205. doi: 10.1007/s41465-024-00294-1

Alexander, M., & Machado, L. (2024). Chronic exercise and neuropsychological function in healthy young adults: A randomised controlled trial investigating a running intervention. Cognitive Processing, 25, 241-258. doi: 10.1007/s10339-024-01177-1

Kouwenhoven, M., & Machado, L. (2024). Age differences in inhibitory and working memory functioning: Limited evidence of system interactions. Aging, Neuropsychology & Cognition, 31(3), 524-555. doi: 10.1080/13825585.2023.2214348

Ramos, A. A., Garvey, A., Cutfield, N. J., & Machado, L. (2024). Forward and backward spatial recall in Parkinson's disease and matched controls: A 1-year follow-up study. Applied Neuropsychology: Adult, 31(4), 647-656. doi: 10.1080/23279095.2022.2059372

Conference Contribution - Published proceedings: Abstract

Machado, L. (2024). Stair climbing improves cognition and affect in adults: Evidence from randomized controlled trials. International Journal of Psychology, 59(S1), (pp. 120). doi: 10.1002/ijop.13169

2023

Journal - Research Article

Wong, Y.-S., Pat, N., & Machado, L. (2023). Commonalities between mind wandering and task-set switching: An event-related potential study. Neuropsychologia, 185, 108585. doi: 10.1016/j.neuropsychologia.2023.108585

Ramos, A. A., Galiano-Castillo, N., & Machado, L. (2023). Cognitive functioning of unaffected first-degree relatives of individuals with late-onset Alzheimer's disease: A systematic literature review and meta-analysis. Neuropsychology Review, 33, 659-674. doi: 10.1007/s11065-022-09555-2

Journal - Research Other

Wong, Y.-S., Willoughby, A. R., & Machado, L. (2023). Reconceptualizing mind wandering from a switching perspective. Psychological Research, 87, 357-372. doi: 10.1007/s00426-022-01676-w

Conference Contribution - Published proceedings: Abstract

Berryman, A., & Machado, L. (2023). Cognition and electrophysiological biomarkers of chronic pelvic pain in women with endometriosis. Proceedings of the Graduate Research Student Symposium. (pp. 8). Retrieved from https://www.otago.ac.nz/graduate-research

Berryman, A., & Machado, L. (2023). Cognition and electrophysiological biomarkers of chronic pelvic pain in women with endometriosis. Proceedings of the Psycolloquy Symposium. (pp. 22). Dunedin, New Zealand: Department of Psychology, University of Otago. Retrieved from https://www.otago.ac.nz/psychology/research/otago059081.html

McNeill, R., & Machado, L. (2023). COVID-19 may adversely impact brain haemodynamics and exercise-cognition relationships in undergraduate students without compromising cognitive performance. Proceedings of the Psycolloquy Symposium. (pp. 20). Dunedin, New Zealand: Department of Psychology, University of Otago. Retrieved from https://www.otago.ac.nz/psychology/research/otago059081.html

2022

Journal - Research Article

Wong, Y.-S., Willoughby, A. R., & Machado, L. (2022). Spontaneous mind-wandering tendencies linked to cognitive flexibility in young adults. Consciousness & Cognition, 102, 103335. doi: 10.1016/j.concog.2022.103335

Nasrollahi, N., Jowett, T., & Machado, L. (2022). Emotional information processing in young and older adults: Meta-analysis reveals faces elicit distinct biases. European Journal of Ageing, 19, 369-379. doi: 10.1007/s10433-021-00676-w

Stenling, A., Sörman, D. E., Lindwall, M., & Machado, L. (2022). Bidirectional within- and between-person relations between physical activity and cognitive function. Journals of Gerontology Series B, 77(4), 704-709. doi: 10.1093/geronb/gbab234

White, N., Kouwenhoven, M., & Machado, L. (2022). Short-term retest performance in young versus older adults: Consideration of integrated speed-accuracy measures. Experimental Aging Research, 48(1), 68-85. doi: 10.1080/0361073x.2021.1919475

Conference Contribution - Verbal presentation and other Conference outputs

Machado, L. (2022, February). Cognitive functioning as we age: Improving the trajectory. Verbal presentation at the Collaboration of Ageing Research Excellence (CARE) Research Symposium, [Online].

2021

Journal - Research Article

Nasrollahi, N., Quensell, J., & Machado, L. (2021). Effects of a brief stair-climbing intervention on cognitive functioning and mood states in older adults: A randomized controlled trial. Journal of Aging & Physical Activity, 30(3), 455-465. doi: 10.1123/japa.2021-0125

Shoemaker, L. N., Wilson, L. C., Lucas, S. J. E., Machado, L., Walker, R. J., & Cotter, J. D. (2021). Indomethacin markedly blunts cerebral perfusion and reactivity, with little cognitive consequence in healthy young and older adults. Journal of Physiology, 599(4), 1097-1113. doi: 10.1113/jp280118

Stenling, A., Sörman, D. E., Lindwall, M., Hansson, P., Ljungberg, J., & Machado, L. (2021). Physical activity and cognitive function: Between-person and within-person associations and moderators. Aging, Neuropsychology & Cognition, 28(3), 392-417. doi: 10.1080/13825585.2020.1779646

Guiney, H., Keall, M., & Machado, L. (2021). Volunteering in older adulthood is associated with activity engagement and cognitive functioning. Aging, Neuropsychology & Cognition, 28(2), 253-269. doi: 10.1080/13825585.2020.1743230

Journal - Research Other

Ramos, A. A., & Machado, L. (2021). A comprehensive meta-analysis on short-term and working memory dysfunction in Parkinson's Disease. Neuropsychology Review, 31, 288-311. doi: 10.1007/s11065-021-09480-w

Machado, L. (2021). Understanding cognition and how it changes with aging, brain disease, and lifestyle choices. Journal of the Royal Society of New Zealand, 51(1), 128-142. doi: 10.1080/03036758.2020.1796102

Conference Contribution - Published proceedings: Abstract

Nasrollahi, N., & Machado, L. (2021). Effects of wearing face masks on cognitive functioning and mood states: A randomised controlled trial in young adults. New Zealand Medical Journal, 134(1547), (pp. 137). Retrieved from https://www.nzma.org.nz/journal

Wong, Y.-S., Willoughby, A., & Machado, L. (2021). Exploring the role of cognitive flexibility in mind wandering. Proceedings of the University of Otago Student Research Symposium: Te Wānaka Rakahau: Ākoka. (pp. 64). [Abstract]

Cotter, J. D., Gibbons, T. D., Thomas, K. N., Wilson, L. C., & Machado, L. (2021). Potential and pitfalls with exercise and environmental stress for brain health. New Zealand Medical Journal, 134(1539), (pp. 90). Retrieved from https://www.nzma.org.nz/journal

2020

Journal - Research Article

Shoemaker, L. N., Wilson, L. C., Lucas, S. J. E., Machado, L., & Cotter, J. D. (2020). Acute exercise-related cognitive effects are not attributable to changes in end-tidal CO₂ or cerebral blood velocity. European Journal of Applied Physiology, 120, 1637-1649. doi: 10.1007/s00421-020-04393-7

White, N., Naldoza-Drake, P., Black, K., Scullion, L., & Machado, L. (2020). Can improving the nutritional content of bread enhance cognition? Cognitive outcomes from a randomized controlled trial. Journal of Cognitive Enhancement, 4, 167-178. doi: 10.1007/s41465-019-00149-0

Journal - Research Other

Ramos, A. A., Hamdan, A. C., & Machado, L. (2020). A meta-analysis on verbal working memory in children and adolescents with ADHD. Clinical Neuropsychologist, 34(5), 873-898. doi: 10.1080/13854046.2019.1604998

Conference Contribution - Published proceedings: Abstract

Wong, Y.-S., Willoughby, A. R., & Machado, L. (2020). Investigation of mind wandering and its relationship with task switching. Proceedings of the Psycolloquy Symposium. (pp. 20). Dunedin, New Zealand: Department of Psychology, University of Otago. Retrieved from https://www.otago.ac.nz/psychology/research/otago059081.html

Shoemaker, L. N., Wilson, L. C., Lucas, S. J. E., Machado, L., Walker, R. J., & Cotter, J. D. (2020). Effect of cerebral blood flow on cognition across healthy adulthood. FASEB Journal, 34(Suppl. 1). doi: 10.1096/fasebj.2020.34.s1.06931

Other Research Output

Machado, L. (2020, March). Healthy and ageing brains. Neurological Foundation of New Zealand Brain Awareness Month Otago Brain Day, Dunedin, New Zealand. [Public Seminar].

2019

Journal - Research Article

Stenling, A., Moylan, A., Fulton, E., & Machado, L. (2019). Effects of a brief stair-climbing intervention on cognitive performance and mood states in healthy young adults. Frontiers in Psychology, 10, 2300. doi: 10.3389/fpsyg.2019.02300

Shoemaker, L. N., Wilson, L. C., Lucas, S. J. E., Machado, L., Thomas, K. N., & Cotter, J. D. (2019). Swimming-related effects on cerebrovascular and cognitive function. Physiological Reports, 7(20), e14247. doi: 10.14814/phy2.14247

Shoemaker, L. N., Wilson, L. C., Lucas, S. J. E., Machado, L., & Cotter, J. D. (2019). Cerebrovascular regulation is not blunted during mental stress. Experimental Physiology, 104, 1678-1687. doi: 10.1113/ep087832

Machado, L., & Devine, A. (2019). Endogenous modulation of compatibility effects: An investigation into the temporal dynamics. Visual Cognition, 27(2), 120-126. doi: 10.1080/13506285.2019.1611684

Guiney, H., Lucas, S. J. E., Cotter, J. D., & Machado, L. (2019). Investigating links between habitual physical activity, cerebrovascular function, and cognitive control in healthy older adults. Neuropsychologia, 125, 62-69. doi: 10.1016/j.neuropsychologia.2019.01.011

White, N., Flannery, L., McClintock, A., & Machado, L. (2019). Repeated computerized cognitive testing: Performance shifts and test–retest reliability in healthy older adults. Journal of Clinical & Experimental Neuropsychology, 41(2), 179-191. doi: 10.1080/13803395.2018.1526888

Machado, L., Thompson, L. M., & Brett, C. H. R. (2019). Visual analogue mood scale scores in healthy young versus older adults. International Psychogeriatrics, 31(3), 417-424. doi: 10.1017/S1041610218000996

Conference Contribution - Published proceedings: Abstract

Nasrollahi, N., & Machado, L. (2019). Age differences in the processing of emotional information: A meta-analysis investigating face versus non-face pictures as potential moderators. Proceedings of the 39th Australasian Neuroscience Society (ANS) Annual Scientific Meeting. 11928. Retrieved from https://www.ans.org.au

Conference Contribution - Poster Presentation (not in published proceedings)

Shoemaker, L. N., Wilson, L. C., Lucas, S. J. E., Machado, L., Walker, R. J., & Cotter, J. D. (2019, September). Effect of cerebral blood flow on cognition across healthy adulthood. Poster session presented at the Medical Sciences Congress (MedSci), Queenstown, New Zealand.

2018

Journal - Research Article

Chen, P. L., Stenling, A., & Machado, L. (2018). Evidence transcranial direct current stimulation can improve saccadic eye movement control in older adults. Vision, 2(4), 42. doi: 10.3390/vision2040042

Flannery, S. L., Jowett, T., Garvey, A., Cutfield, N. J., & Machado, L. (2018). Computerized testing in Parkinson's disease: Performance deficits in relation to standard clinical measures. Journal of Clinical & Experimental Neuropsychology, 40(10), 1062-1073. doi: 10.1080/13803395.2018.1485880

White, N., Forsyth, B., Lee, A., & Machado, L. (2018). Repeated computerized cognitive testing: Performance shifts and test–retest reliability in healthy young adults. Psychological Assessment, 30(4), 539-549. doi: 10.1037/pas0000503

Guiney, H., & Machado, L. (2018). Volunteering in the community: Potential benefits for cognitive aging. Journals of Gerontology Series B, 73(3), 399-408. doi: 10.1093/geronb/gbx134

Guiney, H., Keall, M., & Machado, L. (2018). Physical activity prevalence and correlates among New Zealand older adults. Journal of Aging & Physical Activity, 26(1), 75-83. doi: 10.1123/japa.2016-0393

Journal - Research Other

Hurley, R., & Machado, L. (2018). Using transcranial direct current stimulation to improve verbal working memory: A detailed review of the methodology. Journal of Clinical & Experimental Neuropsychology, 40(8), 790-804. doi: 10.1080/13803395.2018.1434133

Conference Contribution - Published proceedings: Abstract

Shoemaker, L. N., Wilson, L. C., Lucas, S. J. E., Machado, L., & Cotter, J. D. (2018). Is cognition related to arterial CO2 and cerebral blood flow reactivity to exercise? Journal of Sport & Exercise Science, 2(1), (pp. 35). doi: 10.36905/jses.2018.01.01

Shoemaker, L. N., Wilson, L. C., Lucas, S. J. E., Machado, L., & Cotter, J. D. (2018). Delineation of swimming-related effects on cerebral blood flow velocity. Journal of Sport & Exercise Science, 2(1), (pp. 22). doi: 10.36905/jses.2018.01.01

2017

Journal - Research Article

Brett, C. H. R., & Machado, L. (2017). Manual versus saccadic assessment of cognitive inhibition and switching in young and older adults. Psychological Assessment, 29(11), 1420-1425. doi: 10.1037/pas0000453

Chen, P. L., & Machado, L. (2017). Developing clinically practical transcranial direct current stimulation protocols to improve saccadic eye movement control. Journal of Eye Movement Research, 10(3), 5. doi: 10.16910/jemr.10.3.5

Morton, S. E., O'Hare, K. J. M., Maha, J. L. K., Nicolson, M. P., Machado, L., Topless, R., Merriman, T. R., & Linscott, R. J. (2017). Testing the validity of taxonic schizotypy using genetic and environmental risk variables. Schizophrenia Bulletin, 43(3), 633-643. doi: 10.1093/schbul/sbw108

Bierre, K. L., Lucas, S. J. E., Guiney, H., Cotter, J. D., & Machado, L. (2017). Cognitive difficulty intensifies age-related changes in anterior frontal hemodynamics: Novel evidence from near-infrared spectroscopy. Journals of Gerontology Series A, 72(2), 181-188. doi: 10.1093/gerona/glw061

Journal - Research Other

Hurley, R., & Machado, L. (2017). Using tDCS priming to improve brain function: Can metaplasticity provide the key to boosting outcomes? Neuroscience & Biobehavioral Reviews, 83, 155-159. doi: 10.1016/j.neubiorev.2017.09.029

2016

Journal - Research Article

Forsyth, B., Machado, L., Jowett, T., Jakobi, H., Garbe, K., Winter, H., & Glue, P. (2016). Effects of low dose ibogaine on subjective mood state and psychological performance. Journal of Ethnopharmacology, 189, 10-13. doi: 10.1016/j.jep.2016.05.022

Chen, P. L., & Machado, L. (2016). Age-related deficits in voluntary control over saccadic eye movements: Consideration of electrical brain stimulation as a therapeutic strategy. Neurobiology of Aging, 41, 53-63. doi: 10.1016/j.neurobiolaging.2016.02.010

2015

Journal - Research Article

Guiney, H., Lucas, S. J., Cotter, J. D., & Machado, L. (2015). Evidence cerebral blood-flow regulation mediates exercise-cognition links in healthy young adults. Neuropsychology, 29(1), 1-9. doi: 10.1037/neu0000124

Cameron, T. A., Lucas, S. J. E., & Machado, L. (2015). Near-infrared spectroscopy reveals link between chronic physical activity and anterior frontal oxygenated hemoglobin in healthy young women. Psychophysiology, 52(5), 609-617. doi: 10.1111/psyp.12394

Conference Contribution - Published proceedings: Abstract

Chen, P. L., & Machado, L. (2015). Voluntary eye movement control deficits in aging brains: Consideration of neuromodulation as an effective therapeutic strategy. Proceedings of the Psycolloquy Seminar. (pp. 10). Dunedin, New Zealand: Department of Psychology, University of Otago. Retrieved from http://www.otago.ac.nz/psychology/research/otago059081.html

Conference Contribution - Verbal presentation and other Conference outputs

Machado, L. (2015, June). Exercise-cognition links in young adults: Optimizing brain health and function through simple non-invasive methods. Verbal presentation at the 9th Annual Brain Health Research Centre Conference: Science for a Healthy Brain, Dunedin, New Zealand.

2013

Journal - Research Article

Wyatt, N., & Machado, L. (2013). Evidence inhibition responds reactively to the salience of distracting information during focused attention. PLoS ONE, 8(4), e62809. doi: 10.1371/journal.pone.0062809

Bos, H., & Machado, L. (2013). Aging delays strategic modulation of the fixation reflex. Psychology & Aging, 28(3), 796-801. doi: 10.1037/a0032015

Wyatt, N., & Machado, L. (2013). Distractor inhibition: Principles of operation during selective attention. Journal of Experimental Psychology: Human Perception & Performance, 39(1), 245-256. doi: 10.1037/a0027922

Guiney, H., & Machado, L. (2013). Benefits of regular aerobic exercise for executive functioning in healthy populations. Psychonomic Science, 20(1), 73-86. doi: 10.3758/s13423-012-0345-4

Machado, L., Guiney, H., & Struthers, P. (2013). Identity-based inhibitory processing during focused attention. Quarterly Journal of Experimental Psychology, 66(1), 138-159. doi: 10.1080/17470218.2012.701651

Conference Contribution - Published proceedings: Abstract

Machado, L., Guiney, H., Lucas, S., & Cotter, J. (2013). Exercise frequency predicts better inhibitory control and brain blood flow regulation in healthy young adults. Journal of Cognitive Neuroscience, (Suppl.), (pp. 159). [Abstract]

2011

Journal - Research Article

Machado, L., Guiney, H., & Mitchell, A. (2011). Famous faces demand attention due to reduced inhibitory processing. PLoS ONE, 6(5), e20544. doi: 10.1371/journal.pone.0020544

Murray, J. E., Machado, L., & Knight, B. (2011). Race and gender of faces can be ignored. Psychological Research, 75(4), 324-333. doi: 10.1007/s00426-010-0310-7

Conference Contribution - Published proceedings: Abstract

Machado, L., Wyatt, N., & Guiney, H. (2011). Inhibitory control and working memory in young and elderly adults. Cognitive Neuroscience Society Annual Meeting Program (A supplement of the Journal of Cognitive Neuroscience). (pp. 141). Davis, CA: CNS. [Abstract]

Conference Contribution - Verbal presentation and other Conference outputs

Machado, L. (2011, July). Controlling visual orienting: Age-related deficits and potential remedies. Verbal presentation at the Brain Health Research Centre Conference, Dunedin, New Zealand.

Other Research Output

Machado, L. (2011, March). Maintaining control over visual orienting: Age-related changes and potential remedies. Brain Day Dunedin, University of Otago, New Zealand. [Public Seminar].

2010

Conference Contribution - Published proceedings: Abstract

Machado, L., Wyatt, N., & Guiney, H. (2010). Inhibitory processes and working memory in aging brains. Proceedings of the 7th (FENS) Forum of European Neuroscience. 5, 145.14. Retrieved from http://fens2010.neurosciences.asso.fr/

2009

Journal - Research Article

van Koningsbruggen, M. G., Pender, T., Machado, L., & Rafal, R. D. (2009). Impaired control of the oculomotor reflexes in Parkinson's disease. Neuropsychologia, 47(13), 2909-2915. doi: 10.1016/j.neuropsychologia.2009.06.018

Machado, L., Devine, A., & Wyatt, N. (2009). Distractibility with advancing age and Parkinson's disease. Neuropsychologia, 47(7), 1756-1764. doi: 10.1016/j.neuropsychologia.2009.02.018

Conference Contribution - Published proceedings: Abstract

Machado, L., Devine, A., & Wyatt, N. (2009). Distractibility with advancing age and Parkinson's disease: Evidence of dysfunctional reactive inhibition. Cognitive Neuroscience Society Annual Meeting Program (A supplement to the Journal of Cognitive Neuroscience). (pp. 45). Davis, CA: CNS. [Abstract]

2008

Journal - Research Article

Arend, I., Machado, L., Ward, R., McGrath, M., Ro, T., & Rafal, R. D. (2008). The role of the human pulvinar in visual attention and action: Evidence from temporal-order judgement, saccade decision, and antisaccade tasks. Progress in Brain Research, 171, 475-483. doi: 10.1016/S0079-6123(08)00669-9

Conference Contribution - Published proceedings: Abstract

Machado, L., Arend, I., McGrath, M., Ro, T., Ward, R., & Rafal, R. (2008). The role of the human pulvinar in visual attention and action: Evidence from temporal order judgments, saccade decision and anti-saccade tasks. Cognitive Neuroscience Society Annual Meeting Program (A supplement of the Journal of Cognitive Neuroscience). (pp. 61). Davis, CA: CNS. [Abstract]

2007

Journal - Research Article

Machado, L., Wyatt, N., Devine, A., & Knight, B. (2007). Action planning in the presence of distracting stimuli: An investigation into the time course of distractor effects. Journal of Experimental Psychology: Human Perception & Performance, 33(5), 1045-1061.

Conference Contribution - Published proceedings: Abstract

Machado, L., Devine, A., & Wyatt, N. (2007). Distractibility in the aging and parkinsonian brain. Cognitive Neuroscience Society Annual Meeting Program (A supplement of the Journal of Cognitive Neuroscience). (pp. 128). Davis, CA: CNS. [Abstract]

Conference Contribution - Verbal presentation and other Conference outputs

Wyatt, N., & Machado, L. (2007, November). Habituation: A neglected mechanism of selective visual attention. Verbal presentation at the Psycolloquy Seminar, Dunedin, New Zealand.

2006

Conference Contribution - Published proceedings: Abstract

Machado, L., Wyatt, N., Devine, A., & Knight, B. (2006). Facilitatory and inhibitory effects of distracting stimuli. Cognitive Neuroscience Society Annual Meeting Program (A supplement of the Journal of Cognitive Neuroscience). (pp. 28). Davis, CA: CNS. [Abstract]

Conference Contribution - Poster Presentation (not in published proceedings)

Murray, J. E., Knight, B., & Machado, L. (2006, May). Processing gender and race in distractor faces is load dependent. Poster session presented at the Association for Psychological Science 18th Annual Convention, New York.

Machado, L., Wyatt, N., Devine, A., & Knight, B. (2006, April). Facilitatory and inhibitory effects of distracting stimuli. Poster session presented at the Cognitive Neuroscience Society Annual Meeting, San Francisco, California.

Conference Contribution - Verbal presentation and other Conference outputs

Wyatt, N., & Machado, L. (2006, November). When do we apply distractor inhibition during selective attention? Verbal presentation at the Psycolloquy Seminar, Dunedin, New Zealand.

Devine, A., Wyatt, N., & Machado, L. (2006, November). Distractibility, aging, and Parkinson's disease. Verbal presentation at the Psycolloquy Seminar, Dunedin, New Zealand.

2005

Journal - Research Article

Kellman, P. J., Garrigan, P., Shipley, T. F., Yin, C., & Machado, L. (2005). 3-D interpolation in object perception: Evidence from an objective performance paradigm. Journal of Experimental Psychology: Human Perception & Performance, 31(3), 558-583.

Marí-Beffa, P., Hayes, A. E., Machado, L., & Hindle, J. V. (2005). Lack of inhibition in Parkinson's disease: Evidence from a lexical decision task. Neuropsychologia, 43, 638-646.

Conference Contribution - Published proceedings: Abstract

Machado, L., Devine, A., & Knight, B. (2005). Inhibitory mechanisms of action planning. Journal of Cognitive Neuroscience, 17(Suppl. S), (pp. 38). [Abstract]

Conference Contribution - Poster Presentation (not in published proceedings)

Wyatt, N., Devine, A., Knight, B., & Machado, L. (2005, December). Distractor inhibition during response planning. Poster session presented at the Motor Control and Cognitive Neuroscience Conference, Dunedin, New Zealand.

Devine, A., & Machado, L. (2005, December). Mechanisms of action control. Poster session presented at the Motor Control and Cognitive Neuroscience Conference, Dunedin, New Zealand.

2004

Journal - Research Article

Machado, L., & Franz, E. (2004). Effects of unilateral distractors: A comparison of eye movement and key press responses. Quarterly Journal of Experimental Psychology Section A, 57(7), 1173-1190.

Machado, L., & Rafal, R. D. (2004). Inhibition of return generated by voluntary saccades is independent of attentional momentum. Quarterly Journal of Experimental Psychology Section A, 57A(5), 789-796.

Machado, L., & Rafal, R. D. (2004). Control of fixation and saccades in humans with chronic lesions of oculomotor cortex. Neuropsychology, 18(1), 115-123.

Machado, L., & Rafal, R. D. (2004). Control of fixation and saccades during an anti-saccade task: An investigation in humans with chronic lesions of oculomotor cortex. Experimental Brain Research, 156, 55-63.

Rafal, R., McGrath, M., Machado, L., & Hindle, J. (2004). Effects of lesions of the human posterior thalamus on ocular fixation during voluntary and visually triggered saccades. Journal of Neurology, Neurosurgery & Psychiatry, 75, 1602-1606.

Conference Contribution - Published proceedings: Abstract

Machado, L. (2004). Does the brain utilise similar inhibitory mechanisms for controlling visual search and actions? Australian Journal of Psychology. 56(S1), (pp. 124). doi: 10.1111/j.1742-9536.2004.tb01897.x

2002

Journal - Research Article

Rafal, R., Danziger, S., Grossi, G., Machado, L., & Ward, R. (2002). Visual detection is gated by attending for action: Evidence from hemispatial neglect. PNAS, 99(25), 16371-16375. doi: 10.1073/pnas.252309099

Ro, T., Machado, L., Kanwisher, N., & Rafal, R. D. (2002). Covert orienting to the locations of targets and distractors: Effects on response channel activation in a flanker task. Quarterly Journal of Experimental Psychology Section A, 55A(3), 917-936.

Muller, N. G., Machado, L., & Knight, R. T. (2002). Contributions of subregions of the prefrontal cortex to working memory: Evidence from brain lesions in humans. Journal of Cognitive Neuroscience, 14(5), 673-686. doi: 10.1162/08989290260138582

Dodds, C., Machado, L., Rafal, R., & Ro, T. (2002). A temporal/nasal asymmetry for blindsight in a localisation task: Evidence for extrageniculate mediation. NeuroReport, 13(5), 655-658.

Conference Contribution - Published proceedings: Abstract

Rafal, R. D., Lauder, J., & Machado, L. J. (2002). Facilitation of voluntary saccades by 1Hz rTMS of the frontal eye field. Proceedings of the Society for Neuroscience Annual Meeting. Washington, DC: SfN. Retrieved from http://web.sfn.org/content/Publications/AnnualMeeting/index.html

Rafal, R., McGrath, M., & Machado, L. (2002). Effect of thalamic lesions on eye movements in humans. Journal of Cognitive Neuroscience. A8(Suppl. S). Retrieved from http://um102.isiknowledge.com/uml/uml_view.cgi

Mari-Beffa, P., Hayes, A., Machado, L., Sheppard, D., Rafal, R., & Hindle, J. V. (2002). Lack of inhibition in Parkinson′s disease: Evidence from decreased negative priming in a lexical decision task. Journal of Cognitive Neuroscience. D7(Suppl. S). Retrieved from http://um102.isiknowledge.com/uml/uml_view.cgi

Dodds, C., Machado, L., Rafal, R., & Ro, T. (2002). A temporal/nasal asymmetry for blindsight: Evidence for extrageniculate mediation. Journal of Vision. 2(7), (pp. 23a). Retrieved from http://journalofvision.org/2/7/23/

2000

Chapter in Book - Research

Rafal, R., Machado, L., Ro, T., & Ingle, H. (2000). Looking forward to looking: Saccade preparation and control of the visual grasp reflex. In S. Monsell & J. Driver (Eds.), Control of cognitive processes: Attention and performance XVIII. (pp. 155-173). Cambridge, MA, USA: MIT Press.

Journal - Research Article

Suwazono, S., Machado, L., & Knight, R. T. (2000). Predictive value of novel stimuli modifies visual event-related potentials and behavior. Clinical Neurophysiology, 111, 29-39.

Machado, L., & Rafal, R. (2000). Control of eye movement reflexes. Experimental Brain Research, 135, 73-80.

Machado, L., & Rafal, R. D. (2000). Strategic control over saccadic eye movements: Studies of the fixation offset effect. Perception & Psychophysics, 62(6), 1236-1242.

Conference Contribution - Published proceedings: Abstract

Machado, L., & Rafal, R. (2000). Control of eye movement reflexes. Journal of Cognitive Neuroscience. (Suppl. S), 106C. Retrieved from http://uml102.isiknowledge.com/uml/uml_view.cgi