نتایج جستجو برای: gamma discrimination

تعداد نتایج: 186928  

Journal: :The Journal of neuroscience : the official journal of the Society for Neuroscience 2007
Virginie van Wassenhove Srikantan S Nagarajan

The discrimination of temporal information in acoustic inputs is a crucial aspect of auditory perception, yet very few studies have focused on auditory perceptual learning of timing properties and associated plasticity in adult auditory cortex. Here, we trained participants on a temporal discrimination task. The main task used a base stimulus (four tones separated by intervals of 200 ms) that h...

Journal: :Vision Research 2013
J. Farley Norman Jacob R. Cheeseman Jessica Pyles Michael W. Baxter Kelsey E. Thomason Autum B. Calloway

Two experiments evaluated the ability of 50 older, middle-aged, and younger adults to discriminate the 3-dimensional (3-D) shape of curved surfaces defined by optical motion. In Experiment 1, temporal correspondence was disrupted by limiting the lifetimes of the moving surface points. In order to discriminate 3-D surface shape reliably, the younger and middle-aged adults needed a surface point ...

2014
Michael Hutchinson Tadashi Isa Anna Molloy Okka Kimmich Laura Williams Fiona Molloy Helena Moore Daniel G. Healy Tim Lynch Cathal Walsh John Butler Richard B. Reilly Richard Walsh Sean O’Riordan

While the pathogenesis of cervical dystonia remains unknown, recent animal and clinical experimental studies have indicated its probable mechanisms. Abnormal temporal discrimination is a mediational endophenotype of cervical dystonia and informs new concepts of disease pathogenesis. Our hypothesis is that both abnormal temporal discrimination and cervical dystonia are due to a disorder of the m...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2010
Marcela Peña Enrica Pittaluga Jacques Mehler

We tested healthy preterm (born near 28 +/- 2 weeks of gestational age) and full-term infants at various different ages. We compared the two populations on the development of a language acquisition landmark, namely, the ability to distinguish the native language from a rhythmically similar one. This ability is attained 4 months after birth in healthy full-term infants. We measured the induced g...

Journal: :Neurobiology of learning and memory 2013
Sara J Aton

Recently developed neuroimaging and electrophysiological techniques are allowing us to answer fundamental questions about how behavioral states regulate our perception of the external environment. Studies using these techniques have yielded surprising insights into how sensory processing is affected at the earliest stages by attention and motivation, and how new sensory information received dur...

Journal: :Journal of the experimental analysis of behavior 2014
O V Vyazovska Y Teng E A Wasserman

We deployed the Multiple Necessary Cues (MNC) discrimination task to see if pigeons can simultaneously attend to four different dimensions of complex visual stimuli. Specifically, we trained nine pigeons (Columba livia) on a go/no go discrimination to peck only 1 of 16 compound stimuli created from all possible combinations of two stimulus values from four separable visual dimensions: shape (ci...

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