Sarah Wirtssohn's research while affiliated with Humboldt-Universität zu Berlin and other places
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Publications (4)
Die zeitliche Filterung von sensorischem Input ist entscheidend für das Erkennen vieler Stimuli. Auditorische Neurone führen dazu mehrere Verarbeitungsschritte und Signaltransformationen durch, u.a. durch zeitliche Integration, zeitliche Auflösung und Selektion eines zeitlichen Merkmals. Um zu testen ob zeitliche Filterung von Stimuluseigenschaften...
Temporal resolution and the time courses of recovery from acute adaptation of neurons in the auditory pathway of the grasshopper Locusta migratoria was investigated with a response recovery-paradigm. We stimulated with a series of single click and click pair stimuli while performing intracellular recordings from neurons at three processing stages:...
Temporal integration in the auditory system of locusts was quantified by presenting single clicks and click pairs while performing intracellular recordings. Auditory neurons were studied at three processing stages, which form a feed-forward network in the metathoracic ganglion. Receptor neurons and most first-order interneurons ("local neurons") en...
Grasping an object involves shaping the hand and fingers in relation to the object's physical properties. Following object contact, it also requires a fine adjustment of grasp forces for secure manipulation. Earlier studies suggest that the control of hand shaping and grasp force involve partially segregated motor cortical networks. However, it is...
Citations
... A functional role for this activity appears plausible, however, given the requirement of temporal integration in auditory perception in all species, from insects [43] to humans [44]. Investigating the function of activity observed in the absence of a behavioural task is particularly challenging however. ...
... Other models predict the emergence of robust precise firing patterns 38 without synchronous firing, but with specific temporal delays, such as the "braids" 39 model [14], or the polychronization networks [27]. 40 Temporal and spatio-temporal patterns are observed across several species and brain 41 areas, and at different temporal resolutions ranging from milliseconds to 42 seconds [16,[28][29][30][31][32][33][34][35][36][37][38][39]. In a recent study we found spatio-temporal spike patterns (STPs) in 43 experimental data recorded from primary motor cortex (M1) of two monkeys [40]. ...
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