Potluck dinner
PALM group Potluck dinner on June 19th 2018. We celebrated the end of another fruitful year filled with interesting PALM meetings, many experiments and even more ideas for experiments!
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A quantitative theory of gamma synchronization in macaque V1
Lowet, E., Roberts, M. J., Gips, B. C. I., De Weerd, P., & Peter, A. (2017) eLife, 2017, 6:e26642. Abstract Gamma-band synchronization coordinates brief periods of excitability in oscillating neuronal populations to optimize information transmission during sensation and cognition. Commonly, a stable, shared frequency over time is considered a condition […]
Areas V1 and V2 show microsaccade‐related 3–4‐Hz covariation in gamma power and frequency
Lowet, E., Roberts, M. J., Bosman, C. A., Fries, P., & De Weerd, P. (2015) European Journal of Neuroscience, 2015, 43(10): 1286-1296. Abstract Neuronal gamma-band synchronization (25-80 Hz) in visual cortex appears sustained and stable during prolonged visual stimulation when investigated with conventional averages across trials. However, recent studies in macaque […]
Robust gamma coherence between macaque V1 and V2 by dynamic frequency matching
Roberts, M. J., Lowet, E., Brunet, N. M., Ter Wal, M., Tiesinga, P., Fries, P., & De Weerd, P. (2013) Neuron, 78(3), 523-536. Abstract Current theories propose that coherence of oscillatory brain activity in the gamma band (30-80 Hz) constitutes an avenue for communication among remote neural populations. However, reports documenting […]
Genomewide analysis of rat barrel cortex reveals time-and layer-specific mRNA expression changes related to experience-dependent plasticity
Vallès, A., Boender, A. J., Gijsbers, S., Haast, R. A., Martens, G. J., & de Weerd, P. (2011) The Journal of Neuroscience, 31(16), 6140-6158. Abstract Because of its anatomical organization, the rodent whisker-to-barrel system is an ideal model to study experience-dependent plasticity. Manipulation of sensory input causes changes in the […]
Time-limited consolidation and task interference: no direct link
Been, M., Jans, B., & De Weerd, P. (2011) The Journal of Neuroscience, 31(42), 14944-14951. Abstract Perceptual skills improve with daily practice (Fahle and Poggio, 2002; Fine and Jacobs, 2002). Practice induces plasticity in task-relevant brain regions during an “offline” consolidation period thought to last several hours, during which initially […]
Visual spatial attention to multiple locations at once: the jury is still out
Jans, B., Peters, J. C., & De Weerd, P. (2010) Psychological review, 117(2), 637. Abstract Although in traditional attention research the focus of visual spatial attention has been considered as indivisible, many studies in the last 15 years have claimed the contrary. These studies suggest that humans can direct their […]
Increased activity in human visual cortex during directed attention in the absence of visual stimulation
Kastner, S., Pinsk, M. A., De Weerd, P., Desimone, R., & Ungerleider, L. G. (1999) Neuron, 22(4), 751-761. Abstract When subjects direct attention to a particular location in a visual scene, responses in the visual cortex to stimuli presented at that location are enhanced, and the suppressive influences of nearby […]