Results 11 to 20 of about 13,850 (172)

Do “Magnocellular Tasks” Measure “Magnocellular Function”?

i-Perception, 2012
Magnocellular deficit theories propose that certain cognitive disorders, such as developmental dyslexia, arise from a generalised deficit in the visual dorsal–magnocellular system and its auditory homologue.
Patrick T Goodbourn, Jenny M Bosten, Ruth E Hogg, Gary Bargary, Adam J Lawrance-Owen, J D Mollon   +5 more
doaj   +2 more sources

Visual Magnocellular Function in Perceptual Disorders

i-Perception, 2011
Developmental disorders such as autism spectrum disorders (ASD), dyslexia, schizophrenia and dyscalculia have also been reported to show abnormal visual perception. Central to the four disorders are observations of altered global/local perception, motion
David P. Crewther, Robin Laycock, Nikki Jastrzebski, Daniel P. Crewther, Sheila G. Crewther   +4 more
doaj   +2 more sources

Nonapeptide cell size differs between male morphs of the West African cichlid, Pelvicachromis pulcher. [PDF]

J Fish Biol
Abstract Alternative male morphs are found in many species of fishes. These morphs often differ in suites of social behaviours, such as aggression and territoriality, associated with alternative reproductive tactics. Such consistent morph‐typical behavioural profiles suggest common differences in underlying neuroendocrine mechanisms.
Reddon AR, Wylie DR, Hurd PL.
europepmc   +2 more sources

Electrophysiological recording of hypothalamic brain regions in vivo using the transpharyngeal surgical approach in the rat. [PDF]

J Neuroendocrinol
Abstract Transpharyngeal (ventral) surgery in urethane‐anaesthetised rats allows in vivo electrophysiological recording and/or imaging from superficial hypothalamic brain regions and from the pituitary gland. This surgical approach leaves the whole brain intact, providing a stable platform to study single or multiple identified cells over several hours
Ludwig M, Leng G, Brown CH.
europepmc   +2 more sources

Occipital Magnocellular VEP Non-linearities Show a Short Latency Interaction Between Contrast and Facial Emotion

Frontiers in Human Neuroscience, 2020
The magnocellular system has been implicated in the rapid processing of facial emotions, such as fear. Of the various anatomical possibilities, the retino-colliculo-pulvinar route to the amygdala is currently favored. However, it is not clear whether and
Eveline Mu, David Crewther
doaj   +1 more source

Spatial Frequency Tuning of Body Inversion Effects

Brain Sciences, 2023
Body inversion effects (BIEs) reflect the deployment of the configural processing of body stimuli. BIE modulates the activity of body-selective areas within both the dorsal and the ventral streams, which are tuned to low (LSF) or high spatial frequencies
Giulia D’Argenio, Alessandra Finisguerra, Cosimo Urgesi   +2 more
doaj   +1 more source

A Temporal Sampling Basis for Visual Processing in Developmental Dyslexia

Frontiers in Human Neuroscience, 2020
Knowledge of oscillatory entrainment and its fundamental role in cognitive and behavioral processing has increasingly been applied to research in the field of reading and developmental dyslexia.
Kim Archer, Kristen Pammer, Trichur Raman Vidyasagar, Trichur Raman Vidyasagar   +3 more
doaj   +1 more source

Emergent synchronous bursting of oxytocin neuronal network [PDF]

, 2008
When young suckle, they are rewarded intermittently with a let-down of milk that results from reflex secretion of the hormone oxytocin; without oxytocin, newly born young will die unless they are fostered. Oxytocin is made by magnocellular hypothalamic
Feng, J. F., Tirozzi, Brunello, Brown, D., FENG J, Moos, François, MOOS F., Rossoni, Enrico, David Brown, Jianfeng Feng, TIROZZI, Benedetto, Rossoni Enrico, Leng, G. (Gareth), Leng, Gareth, Moos, Françoise, Feng Jianfeng, ROSSONI E, Françoise Moos, Moos, F., Brunello Tirozzi, Tirozzi Brunello, Rossoni, E., Brown, David, Leng, G., Moos Françoise, BROWN D, Enrico Rossoni, Gareth Leng, Leng Gareth, Feng, Jianfeng, LENG G, Brown David, Tirozzi, B.   +31 more
core   +1 more source

Volume Alterations in Thalamic Subnuclei in Parkinson's Disease Dementia and Machine Learning‐Based Prediction of Diagnosis and Severity [PDF]

Brain Behav
Structural MRI undergoes quality control, FreeSurfer‐based cortical reconstruction/volumetric segmentation, and thalamic subnuclei segmentation, followed by subnuclei volume comparison. The optimal feature set trains a model to predict cognitive impairment diagnosis/severity in a test set.
Chen Y, Zhu G, Ma R, Wang R, Meng F, Yang A, Du T, Zhang J.   +7 more
europepmc   +2 more sources

Greater magnocellular saccadic suppression in high versus low autistic tendency suggests a causal path to local perceptual style [PDF]

Royal Society Open Science, 2015
Saccadic suppression—the reduction of visual sensitivity during rapid eye movements—has previously been proposed to reflect a specific suppression of the magnocellular visual system, with the initial neural site of that suppression at or prior to ...
David P. Crewther, Daniel Crewther, Stephanie Bevan, Melvyn A. Goodale, Sheila G. Crewther   +4 more
doaj   +1 more source