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Electric-Color Sensing in Weakly Electric Fish Suggests Color Perception as a Sensory Concept beyond Vision
Many sighted animals use color as a salient and reliable cue [1] to identify conspecifics [2-4], predators, or food [5-7]. Similarly, nocturnal, weakly electric fish Gnathonemus petersii might relyExpand
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A Biomimetic Active Electrolocation Sensor for Detection of Atherosclerotic Lesions in Blood Vessels
We applied the principle of active electrolocation to a catheter-based medical sensor, which proved to be able to detect and analyze the pathological changes of the walls of blood vessels caused by vulnerable plaques. Expand
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Inspection and analysis of the walls of fluid filled tubes by active electrolocation: a biomimetic approach
During their nocturnal activity period, weakly electric fish employ a process called "active electrolocation" for navigation and object detection. They discharge an electric organ in their tail,Expand
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Estimation of distance and electric impedance of capacitive objects in the weakly electric fish Gnathonemus petersii
ABSTRACT During active electrolocation, the weakly electric fish Gnathonemus petersii judges the distance and impedance of nearby objects. Capacitive objects, which modulate local amplitude andExpand
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An active electrolocation catheter system for imaging and analysis of coronary plaques.
Coronary artery disease-currently one of the most frequent causes of death-is characterized by atherosclerotic plaques grown in the wall of blood vessels and inhibiting blood flow. PreventiveExpand
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A bio-inspired electric camera for short-range object inspection in murky waters.
Underwater object inspection by optical sensors is usually unreliable in turbid or dark environments. Here, we designed a biomimetic 'electric camera', inspired by weakly electric fish GnathonemusExpand
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A multi-electrode biomimetic electrolocation sensor
We present the concept of an active multi-electrode catheter inspired by the electroreceptive system of the weakly electric fish, Gnathonemus petersii. The skin of this fish exhibits numerousExpand
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Bio-Inspired Active Electrolocation Sensors for Inspection of Tube Systems
At night, weakly electric fish Gnathonemus petersii use active electrolocation to scan their environment with self generated electric fields. Nearby objects distort the electric fields and areExpand
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Characterization of a bionic electrolocation sensor using finite element modeling
In this paper, a novel bionic 17-electrode catheter sensor is introduced, which can be used for coronary diagnostics. The sensor was characterized by finite element modeling using the multiphysicsExpand
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