Author(s)
Kendrick Kay
Published 5 Projects
Neuroscience Representational Similarity Vasculature Veins Bold Fmri
Content
The ability to read a page of text or recognize a person's face depends on category-selective visual regions in ventral temporal cortex (VTC). To understand how these regions mediate word and face recognition, it is necessary to characterize how stimuli are represented and how this representation is used in the execution of a cognitive task. Here, we show that the response of a category-selective region in VTC can be computed as the degree to which the low-level properties of the stimulus match a category template. Moreover, we show that during execution of a task, the bottom-up representation is scaled by the intraparietal sulcus (IPS), and that the level of IPS engagement reflects the cognitive demands of the task. These results provide a unifying account of neural processing in VTC in the form of a model that addresses both bottom-up and top-down effects and quantitatively predicts VTC responses.
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Kendrick Kay. (2021, Nov 1).Bottom-up and top-down computations in high-level visual cortex[Video]. Scitok. https://scitok.com/project/p/df1f0ff4
Kay Kendrick. "Bottom-up and top-down computations in high-level visual cortex" Scitok, uploaded by Kay Kendrick, 1 Nov, 2021, https://scitok.com/project/pdf1f0ff4
Kendrick Kay. "Bottom-up and top-down computations in high-level visual cortex" Scitok. (Nov 1, 2021). https://scitok.com/project/p/df1f0ff4
Kendrick Kay (Nov 1, 2021). Bottom-up and top-down computations in high-level visual cortex Scitok. https://scitok.com/project/p/df1f0ff4
Kendrick Kay. Bottom-up and top-down computations in high-level visual cortex[video]. 2021 Nov 1. https://scitok.com/project/p/df1f0ff4
@online{al2006link, title={ Bottom-up and top-down computations in high-level visual cortex }, author={ Kay, Kendrick }, organization={Scitok}, month={ Nov }, day={ 1 }, year={ 2021 }, url = {https://scitok.com/project/p/df1f0ff4}, }