Fall Research Expo 2023

Integrated Circuit to Record from Neurons in Cowbird Song System

The cowbird's song system is a specialized neural circuit that controls birdsong. We will create a small integrated circuit (IC) which can be implanted inside of a cowbird's brain permanently and record and transmit neural signals wirelessly to a computer while the bird performs uninterrupted normal activity, such as mating behavior. We began by creating an IC to process and record neural signals transmitted by surgically implanted electrodes while the bird is under anesthesia. We compare our custom technology to Intan's 2116 amplifier chip through feeding the same neural signals from the implanted electrodes to both ICs which are stationed on the same custom PCB, and ensuring that our recordings are credible. Then we will proceed with creating an IC that performs the same tasks as our custom IC but can remain inside the bird's brain permanently without causing damage to the brain. 

PRESENTED BY
PURM - Penn Undergraduate Research Mentoring Program
Engineering & Applied Sciences 2026
Advised By
Dr. Marc Schmidt
Professor of Biology, Co-Director, Undergraduate Neuroscience Program
Dr. Firooz Alfatouni
Associate Professor of Electrical and Systems Engineering, and Undergraduate Chair, ESE
PRESENTED BY
PURM - Penn Undergraduate Research Mentoring Program
Engineering & Applied Sciences 2026
Advised By
Dr. Marc Schmidt
Professor of Biology, Co-Director, Undergraduate Neuroscience Program
Dr. Firooz Alfatouni
Associate Professor of Electrical and Systems Engineering, and Undergraduate Chair, ESE

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