Sensory information undergoes extensive associative elaboration and attentional modulation as it becomes incorporated into the texture of cognition. This process occurs along a core synaptic hierarchy which includes the primary sensory, upstream unimodal, downstream unimodal, heteromodal, paralimbic and limbic zones of the cerebral cortex. Connections from one zone to another are reciprocal and...

A polynomial is unimodal if its sequence of coefficients are increasing up to an index, and then are decreasing after that index. A polynomial is logconcave if the sequence of the logarithms of the coefficients is concave. We prove that if P (x) is a polynomial with nonnegative non-decreasing coefficients then P (x+z) is unimodal for any natural z. Furthermore, we prove that if P (x) is a log-c...

Niche theory predicts that species occurrence and abundance show non-linear, unimodal relationships with respect to environmental gradients. Unimodal models, such as the Gaussian (logistic) model, are however more difficult to fit to data than linear ones, particularly in a multi-species context in ordination, with trait modulated response and when species phylogeny and species traits must be t...

It is well known that the coefficients of matching polynomial are unimodal. Unimodality (or their absolute values) other graph polynomials has been studied as well. One way to prove unimodality real-rootedness. Recently I. Beaton and J. Brown (2020) proved for almost all graphs domination form a unimodal sequence, C. Barton, D. Pike forest (aka acyclic polynomial) real-rooted iff G forest. Let ...

Working memory (WM) tasks engage a network of brain regions that includes primary, unimodal, and multimodal associative cortices. Little is known, however, about whether task practice influences these types of regions differently. In this experiment, we used event-related fMRI to examine practice-related activation changes in different region types over the course of a scanning session while pa...

This study examined sources of talker differences in the McGurk effect, by questioning which of auditory speech or visual speech is more determining the size of the McGurk effect. Cross-talker dubbing was done between faces and voices of utterances (/ba/ and /ga/) pronounced by two talkers: one compelling talker (CT) to the McGurk effect, and one less compelling talker (LT), as measured in our ...