Sensory flow shaped by active sensing: sensorimotor strategies in electric fish

V Hofmann, JI Sanguinetti-Scheck… - Journal of …, 2013 - journals.biologists.com
Goal-directed behavior in most cases is composed of a sequential order of elementary motor
patterns shaped by sensorimotor contingencies. The sensory information acquired thus is …

Active electrolocation in Gnathonemus petersii: behaviour, sensory performance, and receptor systems

G von der Emde, M Amey, J Engelmann, S Fetz… - Journal of Physiology …, 2008 - Elsevier
Weakly electric fish can serve as model systems for active sensing because they actively
emit electric signals into the environment, which they also perceive with more than 2000 …

Modeling signal and background components of electrosensory scenes

L Chen, JL House, R Krahe, ME Nelson - Journal of Comparative …, 2005 - Springer
Weakly electric fish are able to detect and localize prey based on microvolt-level
perturbations in the fish's self-generated electric field. In natural environments, weak prey …

Receptive field organization across multiple electrosensory maps. II. Computational analysis of the effects of receptive field size on prey localization

L Maler - Journal of Comparative Neurology, 2009 - Wiley Online Library
The electric fish Apteronotus leptorhynchus emits a high‐frequency electric organ discharge
(EOD) sensed by specialized electroreceptors (P‐units) distributed across the fish's skin …

Transformations of electrosensory encoding associated with an adaptive filter

NB Sawtell, A Williams - Journal of Neuroscience, 2008 - Soc Neuroscience
Sensory information is often acquired through active exploration. However, an animal's own
movements may result in changes in patterns of sensory input that could interfere with the …

Active sensing in a mormyrid fish: electric images and peripheral modifications of the signal carrier give evidence of dual foveation

R Pusch, G von Der Emde… - Journal of …, 2008 - journals.biologists.com
Weakly electric fish generate electric fields with an electric organ and perceive them with
cutaneous electroreceptors. During active electrolocation, nearby objects are detected by …

Theoretical analysis of pre-receptor image conditioning in weakly electric fish

A Migliaro, AA Caputi, R Budelli - PLoS computational biology, 2005 - journals.plos.org
Electroreceptive fish detect nearby objects by processing the information contained in the
pattern of electric currents through the skin. The distribution of local transepidermal voltage …

Electric imaging through active electrolocation: implication for the analysis of complex scenes

J Engelmann, J Bacelo, M Metzen, R Pusch… - Biological …, 2008 - Springer
The electric sense of mormyrids is often regarded as an adaptation to conditions
unfavourable for vision and in these fish it has become the dominant sense for active …

Active electric imaging: body-object interplay and object's “electric texture”

AA Caputi, PA Aguilera, AC Pereira - PloS one, 2011 - journals.plos.org
This article deals with the role of fish's body and object's geometry on determining the image
spatial shape in pulse Gymnotiforms. This problem was explored by measuring local electric …

Electric imaging through evolution, a modeling study of commonalities and differences

F Pedraja, P Aguilera, AA Caputi… - PLoS Computational …, 2014 - journals.plos.org
Modeling the electric field and images in electric fish contributes to a better understanding of
the pre-receptor conditioning of electric images. Although the boundary element method has …