Document Detail

On the discrimination of spatial intervals by the blind cave fish (Anoptichthys jordani).
MedLine Citation:
PMID:  3806435     Owner:  NLM     Status:  MEDLINE    
The performance of the blind cave fish in discriminating spatial intervals was investigated. The fish had to discriminate between pairs of grids consisting of equidistant vertical bars. The intervals between the bars on the grid to be chosen were kept constant while the intervals between the bars on the other grid were altered in steps so as to become gradually closer to the interval between the bars on the grid to be chosen. It was found that the fish were still able to discriminate between the two grids when the difference between the bar intervals amounted to at least 1.5 mm. In interpreting the results it was concluded that the phase information in the stimulus on the skin of the fish must be significant for it.
E S Hassan
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Journal of comparative physiology. A, Sensory, neural, and behavioral physiology     Volume:  159     ISSN:  -     ISO Abbreviation:  J. Comp. Physiol. A     Publication Date:  1986 Nov 
Date Detail:
Created Date:  1987-03-04     Completed Date:  1987-03-04     Revised Date:  2014-07-21    
Medline Journal Info:
Nlm Unique ID:  8413199     Medline TA:  J Comp Physiol A     Country:  GERMANY, WEST    
Other Details:
Languages:  eng     Pagination:  701-10     Citation Subset:  IM    
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MeSH Terms
Blindness / physiopathology
Discrimination (Psychology) / physiology
Fishes / physiology*
Sense Organs / physiology
Spatial Behavior*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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