Abstract

Superoxide dismutases (SODs) are enzymes widely observed in nature and commonly studied to understand the protection of reactive oxygen species (ROS). This work aims to understand the conservation of and correlation among the enzymes from pathogens and hosts, using coevolution analysis of amino acids in Mn/Fe-Superoxide Dismutase.

Highlights

  • A similarity response is only one of many kinds of response we can elicit from a subject, by suitable manipulation of the number and variety of the stimuli presented, and by instructions to make one sort of decision or choice rather than another

  • Gollisch & Meister [20] suggest that contours trigger synchronous firing, i.e. a latency code, from retinal ganglion cells at the termination of saccades

  • As detailed by the authors, the stimulus cues would need to pass through a number of neuronal populations in that time, which argues against a rate code and in favor of a latency code

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Summary

Open Access

Scan Transcription of Two-Dimensional Shapes as an Alternative Neuromorphic Concept. Department of Psychology, Neurometric Research Laboratory, University of Southern California, Los Angeles, USA. As the wave passes across these boundary markers, it generates a differential density of spikes as a function of the number of markers that were encountered at successive moments in time This information can be used to summarize, store, and allow for subsequent identification of a given shape. Summary histograms were derived for an inventory of unknown shapes, each of which was a continuous string of dots forming an outer boundary and designed to not look like known objects. Paired comparison of these summaries provided shape-difference scores. The values are re-binning into 20 bins and normalized, yielding a summary for each shape that could be used for identification or similarity comparison

Rank Position of Shape Pairs
Evaluating Similarity Scaling with a ShapeMatching Task
Comparison Shape
Shape Difference Values Predict Matching Judgments
Shape Difference Value of Pair
Biological Plausibility of Scan Encoding
Findings
Neuromorphic Implications

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