Affiliation: Griffith University
Kavanagh J, Morrison S, Barrett R. Lumbar and cervical erector spinae fatigue elicit compensatory postural responses to assist in maintaining head stability during walking. J Appl Physiol (1985). 2006;101:1118-26 pubmed
..A compensatory postural response was not only elicited in the sagittal plane, where greater segmental attenuation occurred, but also in the frontal plane, where greater segmental gain occurred. ..
Kavanagh J, Keogh J. Correlates Between Force and Postural Tremor in Older Individuals with Essential Tremor. Cerebellum. 2016;15:688-695 pubmed
..Given that significant relationships existed between spectral features of postural tremor and the overall force tremor amplitude, it is clear that these tremor modalities are not completely independent in older adults with ET. ..
Kenway L, Bisset L, Kavanagh J. Visually guided targeting enhances bilateral force variability in healthy older adults. Neurobiol Aging. 2016;37:127-137 pubmed publisher
..However, age-related differences in force variability are abolished when no task-related visual feedback is available, and isometric contractions are based on internally guided feedback. ..
Naicker P, Anoopkumar Dukie S, Grant G, Neumann D, Kavanagh J. Central cholinergic pathway involvement in the regulation of pupil diameter, blink rate and cognitive function. Neuroscience. 2016;334:180-190 pubmed publisher
..The collective effects of central anticholinergics on the modified ANT and on pupil diameter and blink rate during its performance, conveys the importance of central cholinergic pathways in cognitive function. ..
Naicker P, Anoopkumar Dukie S, Grant G, Modenese L, Kavanagh J. Medications influencing central cholinergic pathways affect fixation stability, saccadic response time and associated eye movement dynamics during a temporally-cued visual reaction time task. Psychopharmacology (Berl). 2017;234:671-680 pubmed publisher
..Collectively, the results of the study highlight the significant role that central cholinergic pathways play in the control of eye movements during tasks that involve stimulus identification and motor responses following temporal cues. ..
Kavanagh J, Feldman M, Simmonds M. Maximal intermittent contractions of the first dorsal interosseous inhibits voluntary activation of the contralateral homologous muscle. J Neurophysiol. 2016;:jn.00367.2016 pubmed publisher
..This was, in part, mediated by mechanisms that involve the motor cortex ipsilateral to the contracting limb. ..
Naicker P, Anoopkumar Dukie S, Grant G, Kavanagh J. Medications influencing central cholinergic neurotransmission affect saccadic and smooth pursuit eye movements in healthy young adults. Psychopharmacology (Berl). 2017;234:63-71 pubmed publisher
Naicker P, Anoopkumar Dukie S, Grant G, Kavanagh J. Anticholinergic activity in the nervous system: Consequences for visuomotor function. Physiol Behav. 2017;170:6-11 pubmed publisher
..In particular, this review will focus on the effects that anticholinergic medications have on fixation stability, saccadic eye movements, smooth pursuit eye movements, and general pupil dynamics. ..
Kavanagh J, Grant G, Anoopkumar Dukie S. Low dosage promethazine and loratadine negatively affect neuromotor function. Clin Neurophysiol. 2012;123:780-6 pubmed publisher
..Determine how the sedating antihistamine promethazine and non-sedating antihistamine loratadine at a dose of 10mg influence voluntary and involuntary motor processes in the hours following ingestion and the morning after ingestion...