2012
DOI: 10.1371/journal.pone.0050322
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Ensemble Response in Mushroom Body Output Neurons of the Honey Bee Outpaces Spatiotemporal Odor Processing Two Synapses Earlier in the Antennal Lobe

Abstract: Neural representations of odors are subject to computations that involve sequentially convergent and divergent anatomical connections across different areas of the brains in both mammals and insects. Furthermore, in both mammals and insects higher order brain areas are connected via feedback connections. In order to understand the transformations and interactions that this connectivity make possible, an ideal experiment would compare neural responses across different, sequential processing levels. Here we pres… Show more

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Cited by 42 publications
(49 citation statements)
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References 54 publications
(87 reference statements)
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“…Air exhaust was provided by the building's ventilation system. We adapted electrode fabrication from Okada et al (1999Okada et al ( , 2007 and Strube-Bloss et al (2011). Each electrode shank consisted of three copper wires ( polyurethane-coated copper wire with 15 m diameter; Elektrisola) glued together with melted dental wax (diameter, Ͻ50 m; Fig.…”
Section: Electrophysiology and Recording Setupmentioning
confidence: 99%
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“…Air exhaust was provided by the building's ventilation system. We adapted electrode fabrication from Okada et al (1999Okada et al ( , 2007 and Strube-Bloss et al (2011). Each electrode shank consisted of three copper wires ( polyurethane-coated copper wire with 15 m diameter; Elektrisola) glued together with melted dental wax (diameter, Ͻ50 m; Fig.…”
Section: Electrophysiology and Recording Setupmentioning
confidence: 99%
“…Therefore, we took special care in this task. For spike sorting, we used a well established commercial software (Spike 2, v7.4, Cambridge Electronic Design) that has been used successfully in several other studies (Brierley et al, 2003;Hoare et al, 2008;Strube-Bloss et al, 2011Payton et al, 2012). We preprocessed each channel using the implemented "smooth" algorithm, which finite impulse response filters the input with a time constant of 80 s (comparable to a low-pass filter of 6250 Hz) and "DC-remove" with a time constant of 3.2 ms leading to offset adjustment (comparable to a high-pass filter of 312.5 Hz).…”
Section: Electrophysiology and Recording Setupmentioning
confidence: 99%
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“…Extracellular multi-unit recordings became a favorable tool to achieve high temporal resolution combined with spatial information. In our case, these are either parallel neuronal tracts 2 or two different neuropils 1 . Multiple neurons can be recorded and analyzed at the single neuron level in parallel and at high temporal resolution.…”
Section: Discussionmentioning
confidence: 91%
“…The described electrodes are suitable for recording both single unit and population activity which is especially useful for latency measurements and other temporal response properties of different neurons and different neuropils within a single specimen (for details see 1,2,25 ). Additionally we have shown how to permanently implement the micro wire electrodes to allow stable long-term recordings in behaving honeybees that last for hours up to days.…”
Section: Discussionmentioning
confidence: 99%