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Dr Joseph Sollini
Main Office
UCL Ear Institute
  • Research Associate
  • The Ear Institute
  • Faculty of Brain Sciences
Research Summary

My main research focus is describing the neural circuits that underlie auditory percept formation, with a specific focus on across-frequency processing.  My PhD work demonstrated the development of frequency specific processing of spatial information between the inferior colliculus and auditory cortex.  This work highlighted that auditory cortex may play a special role in frequency integration.

I followed this with post-doc work demonstrating across-frequency processing in auditory cortex predicts subsequent signal detection in complex auditory scenes (comodulation masking release).  Optogenetic manipulations suggested a direct role of auditory cortex in the “build-up” of across-frequency processing.  I also demonstrated that "simple" frequency tuning of cortical cells to sound onset and offset interact through experience to create "complex" receptive fields.  Collaborative work demonstrated these complex receptive fields predict sensitivity to frequency sweeps and could underlie sensitivity to vocalizations.  This work demonstrated how simple learning rules (hebbian) and exposure to natural sound statistics can lead to the development of sensitivity to dynamic frequency changes present in vocalizations.

My current work focusses on the role of selective attention on stream segregation of vocalizations (cocktail party phenomenon).  Specifically focussing on how the interaction between different cortical regions might allow the segregation of spectrally overlapping sounds.

MAY-2016 Research Associate Brain Sciences UCL Ear Institute, United Kingdom
MAY-2013 – MAY-2016 Research associate Bioengineering Imperial College London, United Kingdom
Academic Background
2013 PhD Doctor of Philosophy – Biomedical Science University of Nottingham
2007 MSc Master of Science – Computational Neuroscience University of Sheffield
2006 BSc Bachelor of Science – Psychology University of Sheffield
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