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1
Neurophysiological and Brain Structural Markers of Cognitive Frailty Differ from Alzheimer's Disease
In: J Neurosci (2022)
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Predictive neural computations support spoken word recognition: evidence from meg and competitor priming
Abstract: Human listeners achieve quick and effortless speech comprehension through computations of conditional probability using Bayes rule. However, the neural implementation of Bayesian perceptual inference remains unclear. Competitive-selection accounts (e.g. TRACE) propose that word recognition is achieved through direct inhibitory connections between units representing candidate words that share segments (e.g. hygiene and hijack share/haidʒ/). Manipulations that increase lexical uncertainty should increase neural responses associated with word recognition when words cannot be uniquely identified. In contrast, predictive-selection accounts (e.g. Predictive-Coding) proposes that spoken word recognition involves comparing heard and predicted speech sounds and using prediction error to update lexical representations. Increased lexical uncertainty in words like hygiene and hijack will increase prediction error and hence neural activity only at later time points when different segments are predicted. We collected MEG data from male and female listeners to test these two Bayesian mechanisms and used a competitor priming manipulation to change the prior probability of specific words. Lexical decision responses showed delayed recognition of target words (hygiene) following presentation of a neighbouring prime word (hijack) several minutes earlier. However, this effect was not observed with pseudoword primes (higent) or targets (hijure). Crucially, MEG responses in the STG showed greater neural responses for word-primed words after the point at which they were uniquely identified (after/haidʒ/in hygiene) but not before while similar changes were again absent for pseudowords. These findings are consistent with accounts of spoken word recognition in which neural computations of prediction error play a central role.
URL: https://doi.org/10.1523/JNEUROSCI.1685-20.2021
http://sro.sussex.ac.uk/id/eprint/99928/1/SOHOGLU_Journal_of_Neuroscience%20_MAY_2021.pdf
http://sro.sussex.ac.uk/id/eprint/99928/
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3
In vivo visualization of age-related differences in the locus coeruleus
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4
Little evidence for Fast Mapping (FM) in adults: A review and discussion
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5
Temporal Predictive Codes for Spoken Words in Auditory Cortex
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6
How to discover modules in mind and brain: the curse of nonlinearity, and blessing of neuroimaging: a comment on Sternberg (2011)
In: Cognitive neuropsychology. - Abingdon : Routledge, Taylor & Francis Group 28 (2011) 3-4, 209-223
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7
Stimulus-response bindings code both abstract and specific representations of stimuli: evidence from a classification priming design that reverses multiple levels of response representation
In: Memory & cognition. - Heidelberg [u.a.] : Springer 39 (2011) 8, 1457-1471
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8
Orbito-frontal cortex is necessary for temporal context memory
In: Journal of cognitive neuroscience. - Cambridge, Mass. : MIT Press Journals 22 (2010) 8, 1819-1831
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9
Task-dependent activation of face-sensitive cortex: an fMRI adaptation study
In: Journal of cognitive neuroscience. - Cambridge, Mass. : MIT Press Journals 22 (2010) 5, 903-917
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10
Activity in Face-Responsive Brain Regions is Modulated by Invisible, Attended Faces: Evidence from Masked Priming
Kouider, Sid; Eger, Evelyn; Dolan, Raymond. - : Oxford University Press, 2009
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11
Separable Forms of Reality Monitoring Supported by Anterior Prefrontal Cortex
In: Journal of cognitive neuroscience. - Cambridge, Mass. : MIT Press Journals 20 (2008) 3, 447-457
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12
Event-related potentials associated with masked priming of test cues reveal multiple potential contributions to recognition memory
In: Journal of cognitive neuroscience. - Cambridge, Mass. : MIT Press Journals 20 (2008) 6, 1114-1129
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13
Recognition memory for faces and scenes in amnesia: Dissociable roles of medial temporal lobe structures
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14
On the relationship between repetition priming and recognition memory : insights from a computational model
In: Journal of memory and language. - Amsterdam [u.a.] : Elsevier 55 (2006) 4, 515-533
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15
On the relationship between repetition priming and recognition memory: Insights from a computational model
In: Journal of memory and language. - Amsterdam [u.a.] : Elsevier 55 (2006) 4, 515
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16
Further dissociating the processes involved in recognition memory : an fMRI study
In: Journal of cognitive neuroscience. - Cambridge, Mass. : MIT Press Journals 17 (2005) 7, 1058-1073
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17
Depth of processing effects on neural correlates of memory encoding : relationship between findings from across- and within-task comparisons
In: Brain. - Oxford : Oxford Univ. Press 124 (2001) 2, 399-412
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18
Confidence in recognition memory for words : dissociating right prefrontal roles in episodic retrieval
In: Journal of cognitive neuroscience. - Cambridge, Mass. : MIT Press Journals 12 (2000) 6, 913-923
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19
Neuroimaging evidence for dissociable forms of repetition priming
In: Science. - Washington, DC : AAAS, American Assoc. for the Advancement of Science 287 (2000) 5456, 1269-1272
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20
Children's serial recall errors : implications for theories of short-term memory development
In: Journal of experimental child psychology. - Amsterdam : Elsevier 76 (2000) 3, 222-252
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