Top-down beta oscillatory signaling conveys behavioral context in early...
Nice paper by Bressler and colleagues showing that top-down influences on visual cortex are mediated by beta-band oscillations. Richter, C. G., Coppola, R., & Bressler, S. L. (2018). Top-down beta...
View ArticleFeature-Based Visual Short-Term Memory Is Widely Distributed and...
Big-ass survey of cortex by Gray and crew: Dotson, N. M., Hoffman, S. J., Goodell, B., & Gray, C. M. (2018). Feature-Based Visual Short-Term Memory Is Widely Distributed and Hierarchically...
View ArticleVisual and Category Representations Shaped by the Interaction Between...
A computational model of visual categorization in cortex that has properties similar to our lab’s results. It must be true. Abe, Y., Fujita, K., & Kashimori, Y. (2018). Visual and Category...
View ArticleCoordinated prefrontal–hippocampal activity and navigation strategy-related...
Enhanced prefrontal-hippocampal spike-LFP coupling during learning of a spatial strategy (but not other strategies). Negrón-Oyarzo, I., Espinosa, N., Aguilar, M., Fuenzalida, M., Aboitiz, F., &...
View ArticleAdaptive coding in the human brain: Distinct object features are encoded by...
More evidence for mixed-selectivity in the cortex. This time with voxels in the human brain. Jackson, J., & Woolgar, A. (2018). Adaptive coding in the human brain: Distinct object features are...
View ArticleStructuring of Abstract Working Memory Content by Fronto-parietal Synchrony...
Super-cool paper by Andreas Nieder and crew. Frontal-parietal beta synchrony encodes the most recent numerical input. Theta synchrony distinguishes between different numerosities held in working...
View ArticlePhase-Locked Stimulation during Cortical Beta Oscillations Produces...
Beta rhythms play a role in synaptic plasticity. Zanos, S., Rembado, I., Chen, D., & Fetz, E. E. (2018). Phase-Locked Stimulation during Cortical Beta Oscillations Produces Bidirectional Synaptic...
View ArticleAttention is rhythmic!
Two new, exciting papers in Neuron that “put the last nail(s) in the coffin of sustained attention.” They present compelling evidence that sustained attention is not sustained at all but fluctuates...
View ArticlePhase-coding memories in mind
Nice summary of phase coding models of working memory by Hakim and Vogel, including a recent paper by Bahramisharif et al. Hakim, N., & Vogel, E. K. (2018). Phase-coding memories in mind. PLoS...
View ArticleA Flexible Model of Working Memory
Bouchacourt and Buschman describe a two-layer model of working memory. A sensory layer feeds into an unstructured layer of neurons with random connections (i.e., “mixed-selectivity” type neurons). It...
View ArticlePhase-Locked Stimulation during Cortical Beta Oscillations Produces...
Zanos et al show that beta oscillations play a role in short-term synaptic plasticity in primate neocortex that may explain the role of oscillations in attention, learning, and cortical reorganization....
View ArticleAnterior-posterior gradient of plasticity in primate prefrontal cortex
Nice study showing that anterior parts of the prefrontal cortex and more plastic than posterior parts. Anterior-posterior gradient of plasticity in primate prefrontal cortex Mitchell R. Riley, Xue-Lian...
View ArticleDissociation of LFP Power and Tuning in the Frontal Cortex during Memory –...
Holmes, C.D., Papadimitriou, C., Snyder, L.H.(2018) Dissociation of LFP Power and Tuning in the Frontal Cortex during Memory Journal of Neuroscience Nice paper. Well done. But with a caveat. The...
View ArticleLayer-dependent activity in human prefrontal cortex during working memory
Nice FMRI study showing that working memory delay activity is primarily in the superficial, feedforward, cortical layers while behavioral response-related activity is primarily in deep, feedback...
View ArticleRoles of Brain Criticality and Multiscale Oscillations in Temporal...
This review highlights work showing that spectrally distributed oscillations and their coupling have functional relevance for sensorimotor processing. Palva, S., & Palva, J. M. (2018). Roles of...
View ArticleDecoding Cognitive Processes from Neural Ensembles
Nice review from Miler Lab alumnus Joni Wallis arguing for the importance of single-trial analyses. Variability across trials may not be noise, it may be cognition. Joni argues that ensembles, not...
View ArticleModulation of Beta Bursts in the Subthalamic Nucleus Predicts Motor Performance
A trial by trial analysis showed that beta bursts, as opposed to power averaged across trials, is a good predictor of variations in motor behavior. Torrecillos, F., Tinkhauser, G., Fischer, P., Green,...
View ArticleGamma Synchronization between V1 and V4 Improves Behavioral Performance
V1-V4 gamma coherence before stimulus change predicts reaction time to detect the change while deviations from the phase relation increases reaction times. Nice. Gamma Synchronization between V1 and...
View ArticleWorking Memory 2.0
Our new paper describing a new model of working memory. Actually, not so much a new model as an update to the classic model. The classic model posited that we hold thoughts “in mind” (i.e., in working...
View ArticleA “controversy” about whether brain waves play a functional role.
An article in Scientific American discusses the debate about whether brain waves have a function or whether they are an epiphenomenon: Do Brain Waves Conduct Neural Activity Like a Symphony? There...
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