Abstract：
:Several electrophysiological studies found response differences to a given stimulus when it is repeated frequently as compared to when it occurs rarely in oddball sequences. Initially defined in acoustic perception, such difference also exists in the visual modality and is referred to as visual mismatch negativity (vMMN). However, the repetition of a stimulus also leads to the reduction of the blood oxygen-level dependent (BOLD) signal (fMRI adaptation, fMRIa) when compared to alternating stimuli in fMRI experiments. So far no study compared the vMMN to fMRIa within the same paradigm and participants. Here we tested the possible connection between fMRIa and vMMN in a visual oddball paradigm in two separate sessions, acquiring electrophysiological and neuroimaging data for real and false characters from the same participants. We found significant visual mismatch response (vMM) as well as fMRIa for both character types. Importantly, the magnitude of the vMM over the CP1 electrode cluster showed a significant correlation with the fMRIa within the letter form area, for real characters. This finding suggests that similar neural mechanisms are responsible for the two phenomena.
journal_name
Behav Brain Resjournal_title
Behavioural brain researchauthors
Amado C,Stoyanova P,Kovács Gdoi
10.1016/j.bbr.2018.03.001subject
Has Abstractpub_date
2018-07-16 00:00:00pages
77-87eissn
0166-4328issn
1872-7549pii
S0166-4328(17)31097-5journal_volume
347pub_type
杂志文章abstract：:The anterior hippocampus has been implicated in associative memory, and along with hippocampal volume, this type of memory declines with age. However, few cross-sectional studies include middle-aged samples, making it unclear at what point these age-related changes occur. In addition, although men and women have been ...
journal_title：Behavioural brain research
pub_type： 杂志文章
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abstract：:In this review I focus on how three methodological principles advocated by Philip Teitelbaum influenced my work to this day: that similar principles of organization should be looked for in ontogeny and recovery of function; that the order of emergence of behavioral components provides a view on the organization of tha...
journal_title：Behavioural brain research
pub_type： 杂志文章,评审
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journal_title：Behavioural brain research
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pub_type： 临床试验,杂志文章,随机对照试验
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journal_title：Behavioural brain research
pub_type： 杂志文章
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更新日期：2000-11-01 00:00:00
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journal_title：Behavioural brain research
pub_type： 杂志文章
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journal_title：Behavioural brain research
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journal_title：Behavioural brain research
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doi：10.1016/j.bbr.2005.07.010
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journal_title：Behavioural brain research
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doi：10.1016/j.bbr.2010.04.005
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journal_title：Behavioural brain research
pub_type： 杂志文章
doi：10.1016/j.bbr.2013.02.031
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journal_title：Behavioural brain research
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pub_type： 杂志文章
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journal_title：Behavioural brain research
pub_type： 杂志文章
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journal_title：Behavioural brain research
pub_type： 杂志文章,评审
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journal_title：Behavioural brain research
pub_type： 杂志文章
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journal_title：Behavioural brain research
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journal_title：Behavioural brain research
pub_type： 杂志文章,评审
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journal_title：Behavioural brain research
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journal_title：Behavioural brain research
pub_type： 杂志文章
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更新日期：2019-12-30 00:00:00
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journal_title：Behavioural brain research
pub_type： 杂志文章
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