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Differential impact of behavioral relevance on quantity coding in primate frontal and parietal neurons.
Viswanathan P, Nieder A. Viswanathan P, et al. Among authors: nieder a. Curr Biol. 2015 May 18;25(10):1259-69. doi: 10.1016/j.cub.2015.03.025. Epub 2015 Apr 23. Curr Biol. 2015. PMID: 25913409
We simultaneously recorded from the same recording sites in the PFC and ventral intraparietal area (VIP) before and after monkeys learned to actively discriminate the number of items in a set. ...This suggests elevated PFC participation during numerical task demands and ex …
We simultaneously recorded from the same recording sites in the PFC and ventral intraparietal area (VIP) before and after monkeys learned to …
Representation of the quantity of visual items in the primate prefrontal cortex.
Nieder A, Freedman DJ, Miller EK. Nieder A, et al. Science. 2002 Sep 6;297(5587):1708-11. doi: 10.1126/science.1072493. Science. 2002. PMID: 12215649
A mechanism that extracts the quantity of visual field items could contribute to general numerical ability....
A mechanism that extracts the quantity of visual field items could contribute to general numerical ability....
Coding of cognitive magnitude: compressed scaling of numerical information in the primate prefrontal cortex.
Nieder A, Miller EK. Nieder A, et al. Neuron. 2003 Jan 9;37(1):149-57. doi: 10.1016/s0896-6273(02)01144-3. Neuron. 2003. PMID: 12526780
Whether cognitive representations are better conceived as language-based, symbolic representations or perceptually related, analog representations is a subject of debate. ...The data were best described by a nonlinearly compressed scaling of numerical information, a …
Whether cognitive representations are better conceived as language-based, symbolic representations or perceptually related, analog represent …
Stereoscopic vision: solving the correspondence problem.
Nieder A. Nieder A. Curr Biol. 2003 May 13;13(10):R394-6. doi: 10.1016/s0960-9822(03)00319-1. Curr Biol. 2003. PMID: 12747850 Review.
A parieto-frontal network for visual numerical information in the monkey.
Nieder A, Miller EK. Nieder A, et al. Proc Natl Acad Sci U S A. 2004 May 11;101(19):7457-62. doi: 10.1073/pnas.0402239101. Epub 2004 May 3. Proc Natl Acad Sci U S A. 2004. PMID: 15123797 Free PMC article.
We surveyed activity in the PPC and the anterior inferior temporal cortex while monkeys performed a visual numerosity judgment task and compared it with a population of PFC neurons. ...This finding suggests a parieto-frontal network for numerosity in monkeys …
We surveyed activity in the PPC and the anterior inferior temporal cortex while monkeys performed a visual numerosity judgment task a …
Analog numerical representations in rhesus monkeys: evidence for parallel processing.
Nieder A, Miller EK. Nieder A, et al. J Cogn Neurosci. 2004 Jun;16(5):889-901. doi: 10.1162/089892904970807. J Cogn Neurosci. 2004. PMID: 15200715
Thus, we analyzed the behavioral performance of two rhesus monkeys judging the numerosities 1 to 7 during a delayed match-to-sample task. ...The nonverbal numerical representations in monkeys were based on analog magnitudes, object tracking process ("subitizing") could not …
Thus, we analyzed the behavioral performance of two rhesus monkeys judging the numerosities 1 to 7 during a delayed match-to-sample t …
The number domain- can we count on parietal cortex?
Nieder A. Nieder A. Neuron. 2004 Oct 28;44(3):407-9. doi: 10.1016/j.neuron.2004.10.020. Neuron. 2004. PMID: 15504322 Review.
Does the primate brain contain a dedicated and localized neural circuitry for processing generic numerical information? The human parietal cortex, particularly the intraparietal sulcus (IPS), has long been implicated in processing symbolic (verbal) number information. ...
Does the primate brain contain a dedicated and localized neural circuitry for processing generic numerical information? The human par …
Counting on neurons: the neurobiology of numerical competence.
Nieder A. Nieder A. Nat Rev Neurosci. 2005 Mar;6(3):177-90. doi: 10.1038/nrn1626. Nat Rev Neurosci. 2005. PMID: 15711599 Review.
Temporal and spatial enumeration processes in the primate parietal cortex.
Nieder A, Diester I, Tudusciuc O. Nieder A, et al. Science. 2006 Sep 8;313(5792):1431-5. doi: 10.1126/science.1130308. Science. 2006. PMID: 16960005
Humans and animals can nonverbally enumerate visual items across time in a sequence or rapidly estimate the set size of spatial dot patterns at a single glance. ...Once the enumeration process was completed, however, another neuronal population represented the cardi …
Humans and animals can nonverbally enumerate visual items across time in a sequence or rapidly estimate the set size of spatial dot p …
A labeled-line code for small and large numerosities in the monkey prefrontal cortex.
Nieder A, Merten K. Nieder A, et al. J Neurosci. 2007 May 30;27(22):5986-93. doi: 10.1523/JNEUROSCI.1056-07.2007. J Neurosci. 2007. PMID: 17537970 Free PMC article.
Here, we analyzed both behavioral and neuronal representations of a broad range of numerosities from 1 to 30 in the prefrontal cortex of monkeys. Numerosity-selective neurons showed a clear and behaviorally relevant labeled-line code for all numerosities. Moreover, …
Here, we analyzed both behavioral and neuronal representations of a broad range of numerosities from 1 to 30 in the prefrontal cortex …
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