Jonas Obleser and the Research Group Auditory Cognition at the University of Lübeck, Germany, study cognitive processes in the human brain.
Our focus lies in neural dynamics of communication, using mainly audition as a “model system”:
— How does the neural system implement a listener’s behavioural goal of attending to sound? What are the psychological and neurobiological ‘algorithms’ that we have come to sum under the term of attention?
Main tools are neural oscillations, neural tracking of speech, psychophysics, as well as graph-theoretical descriptions of brain activity in EEG and fMRI
Neural Dynamics and Neural Computations serving Cognition
— Brain activity can be understood as a set of homeostatic and cybernetic processes on many temporal and spatial scales. We ask how excitation/Inhibition (E:I) balance on a local, fast-time scale or network reconfigurations on a more global, medium- and slow-time scale shape the way we sense and perceive the world, and behave in it.
Main tools include quantifications of neural oscillations and scale-free activity, hemodynamic fluctuations, pupillometry; with a focus on mathematical descriptors such as ordinal time-series or graph theory
PIs: Jonas Obleser, Mohsen Alavash
Acoustic Features and their Neural Transformations
— We study the spectro-temporal representation of sound in the ascending auditory pathway with respect to e.g., how voices are represented; how classes of sound (e.g., speech vs. animal vocalisations) as well as more linguistics levels in natural speech become neurally differentiated; how these neural features shape perceptual decisions; and how aberrant perception expresses neurobiologically in the auditory system.
Main tools include psychophysics, linear and non-linear neural encoding and decoding models in functional MRI, brain stem and auditory cortical electrophysiology
Translational Neuroscience in Hearing Loss and Ageing
— All three topics listed above feed into questions of translational neuroscience: Is healthy ageing in and by itself changing the organisation of the listening brain? Is hearing loss a cause or an effect of senescent change in the listening brain? What are the neurobiological, perceptual, and behavioural consequences of aided hearing, including cochlear implants?
In 2014, Jonas was awarded a European Research Council (ERC) Consolidator grant for studying the adaptive challenges to the middle-aged human adult listening brain. From 2019 on, Jonas serves as a Reviewing Editor for The Journal of Neuroscience and eLife.