mardi 26 septembre 2017

Fundamental mechanisms of drug addiction: robotics, ethology and zebrafish animal models



Post-doc position - Tandon School of Engineering, New York University
Project title: Robotics may help unravel the biological determinants of substance use disorders: studies in zebrafish

A two-year post-doc position is available in the Dynamical Systems Laboratory (DSL) at the Department of Mechanical and Aerospace Engineering, Tandon School of Engineering, New York University, for work on a project combining robotics, behavior, and preclinical models to study the fundamental mechanisms governing substance use disorders.

Substance use disorders, the continuous use of psychoactive substances in spite of negative consequences for the individual, constitute a major societal and economic burden. While many individuals have had experience with drugs, only few develop specific disorders associated with such use. Although both genetic and environmental factors play a crucial role, their precise contribution has remained elusive.

The selected candidate will conduct a project aimed at advancing this field of investigation through the combination of robotics and ethology. Specifically, she/he will perform a series of behavioral studies in zebrafish, a rapidly emerging laboratory animal species characterized by: a fully sequenced genome; a short intergeneration time; and a rapid adaptability to different environments.

Although the aforementioned characteristics may beget remarkable advancements, zebrafish behavioral studies are flawed by the following limitations: the 3D swimming behavioral pattern is predominantly addressed through a 2D approach; the experimental stimuli against which focal fish behavior is tested are generally constituted of live animals, which offer inconsistent stimuli; and finally, social behavior is scored through methods that investigate group variables, but fail to quantify the behavior exhibited by an individual subject swimming in a group. Herein, we will bridge these gaps through an innovative robotics-enabled platform, coupled with a 3D tracking system to automatically investigate zebrafish individual and social behavior. The latter will allow for investigating how a single individual – exposed to ethanol, sedatives, or stimulants – behaves in isolation, or once introduced in a group of untreated shoal-members.

This project poses technological and methodological hurdles that will be addressed by the selected candidate in collaboration with a team of scientists composed of engineers, biologists, psychologists, and mathematicians.
We are seeking a highly motivated PhD who is fascinated by the mechanisms underlying drug addiction and excited by the theoretical and technological challenges posed by this project. The work will include both handling and behavioral observations of zebrafish as well as laboratory work to analyze the collected data. Consequently, the ideal applicant will have training in animal experiments and psychopharmacology. More generally, the successful candidate is expected to have: i) a demonstrated ability to conduct original research, theoretical or experimental, as evidenced by high-quality journal publications; ii) outstanding English language oral and written communication skills; iii) a strong work ethic with the ability to work independently as well as in a research group; and iv) evidence of good project/laboratory management skills. The successful candidate will also collaborate with Dr. Simone Macrí (Istituto Superiore di Sanitá, Rome, Italy) and Prof. Sachit Butail (Northern Illinois University, DeKalb, IL). A PhD in Bioengineering, Biology, Biomedical Engineering, Ecology, Neuroscience, or closely related fields is required.

The DSL was established over ten years ago by Prof. Maurizio Porfiri (Professor in the Department of Mechanical and Aerospace Engineering) and is the home of a highly-collaborative and interdisciplinary group of young scholars, with complementary expertise across theory and experiments. The director of the DSL, Prof. Porfiri, is the author of approximately 250 journal publications and the recipient of numerous professional awards (https://en.wikipedia.org/wiki/Maurizio_Porfiri).

Candidates are encouraged to contact Prof. Porfiri via email (mporfiri@nyu.edu). The email to Prof. Porfiri should include a detailed curriculum vitae, a one-page statement of past research experience, and a list of references. Review of applications will begin immediately and the candidate is expected to join as early as December 2017.