[visionlist] Two PhD positions in the Vision and Control of Action Group at the University of Barcelona

Joan López-Moliner j.lopezmoliner at ub.edu
Mon Oct 18 02:05:23 -04 2021

Applications are invited for two full-time pre-doctoral positions in the Vision and Control of Action Group <http://www.ub.edu/viscagroup/>
at the University of Barcelona to undertake the PhD thesis under the supervision of Dr. Cristina de la Malla and Prof. Joan López-Moliner.

# The positions

We seek excellent and highly motivated candidates with a background in
psychophysics, experimental psychology, cognitive neuroscience, or similar.
Prior research experience will be a plus especially in areas related to the projects (see below). We will also value programming experience (R and Python most preferred).
These fellowships are linked to two MICIN/AEI projects led respectively by Joan López-Moliner and Cristina de la Malla under the
the FPI program. The positions will be funded for four years. Starting date: May/June 2022 (approx.).

# The projects

"Updating 3D world states from the optic flow" (PID2020-114713GB-I00 /AEI/ 10.13039/501100011033), led by Prof. Joan López-Moliner:

In this project we will use immersive environments combined with recent psychophysical approaches to devise new optic flow fields with structure consistent with natural images statistics to study (a) which are the minimal conditions of exposure/visual information that afford sensorimotor performance and (b) the perceptual capabilities to extract accurate metrics from optic flow fields with different statistical structure and under different conditions of eye movements behavior. The project involves combining psychophysics, eye movements and Bayesian tools to model human perceptual behavior and how beliefs about states in immersive environments are built. The results are potentially relevant for the design of virtual environments that aim at knowing the minimal visual information for maximizing the immersion experience and performance.

"Disrupting the prediction of visual motion" (PID2020-116400GA-I00 /AEI/ 10.13039/501100011033) led by Dr. Cristina de la Malla:

The main question this project addresses is what happens when velocity information, as the predictive component of the motion system, is disrupted. To study this, different paradigms (occlusions, luminance manipulations, and variability in objects velocity) that will impair perceiving the velocity at which an object moves will be used. Furthermore, this project is set from a perspective where observers are active components of the scene. That means that observers actively seek information in the environment that can help them succeed in their decisions and actions. As it has been shown by different studies, many of the movements we make (eye, and even head and torso movements) are directed at gathering information of objects or parts of the scene we have to interact with. For this reason, a second main objective of this project is to see whether disrupting velocity information leads to changes in the way we move to try to compensate for the loss of such information. This would allow us to know whether one prefers to update velocity estimates about how targets move rather than relying on predictions. We will take a multidisciplinary approach including psychophysics and decision-making paradigms as well as different techniques such as eye, head and hand movements recordings.

# Applications

Please, send an expression of interest (or any other enquiries about the
positions) to j.lopezmoliner at ub.edu or c.delamalla at ub.edu depending on your interest.
Include the following:

*A brief C.V., a cover letter describing your research interests, and the contact of
two academic references. If any, please also include a sample of your previous scientific experience
(e.g. master’s thesis, and/or other scientific outputs).

*We will consider applications until one week before the
official 2021 FPI call closes (2021 call to open soon). The actual
application will be made through the Spanish Ministry of Science and Innovation, (FPI) scholarship

Joan López-Moliner, Ph.D.
Professor (catedràtic) of Visual Perception and Psychophysics
Head of the Vision & Control of Action (VISCA) group
Institute of Neurosciences
Department of Cognition (Cognitive Processes)
Universitat de Barcelona
Passeig de la Vall d'Hebron, 171 08035 Barcelona<x-apple-data-detectors://1/1>
e-mail: J.LopezMoliner at ub.edu<mailto:J.LopezMoliner at ub.edu>
skype: jlmoliner
phone: +34 93 3125143<tel:+34%2093%203125143>
fax: +34 93 402 13<tel://+34%2093%20402%2013> 63

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