?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rft.title=An+Attempt+to+Confirm+Magnetic+Sensitivity+in+the+Pigeon%2C+Columba+livia&rft.creator=Beaugrand%2C+Jacques&rft.subject=Animal+Behavior&rft.description=An+attempt+was+made+to+test+the+sensitivity+of+homing+pigeons+to+weak+magnetic+variations+of+the+order+of+the%0Aones+naturally+occurring+on+earth.+Pigeons+were+first+subjected+to+a+cardiac+orienting+reflex+test+to+50+magnetic+stimuli%0Aand+to+50+control+stimuli+presented+alone+and+randomly+interdigitated.+They+were+then+subjected+to+a+differential%0Anociceptive+conditioning+procedure+using+the+same+magnetic+and+control+stimuli+for+100+trials+under+each+stimulus%0Acondition.+Cardiac+activity+was+used+as+an+index+of+reactivity+throughout+the+study.+The+tests+were+performed+in+uniform%0Amagnetic+fields+using+l+to+diameter+Helmholtz+coils.+Results+indicate+that+the+magnetic+stimuli+presentations+did+not+evoke%0Aa+cardiac+orienting+reflex+when+compared+to+the+cardiac+orienting+response+of+control+pigeons+to+a+neutral+luminous%0Astimulus.+Moreover%2C+results+from+the+conditioning+tests+indicate+that+the+magnetic+stimuli+were+not+used+by+the+pigeons+as%0Aa+cue+presaging+the+forthcoming+shock.+It+is+concluded+that%2C+in+the+present+experimental+situation%2C+homing+pigeons+did+not%0Arespond+to+small+changes+in+the+ambient+magnetic+field+with+changes+in+autonomic+functioning.+Results+are+discussed+in%0Athe+context+of+the+inappropriateness+of+the+stimuli+and+tests+used+to+show+magnetic+sensitivity+in+birds.&rft.publisher=Springer-Verlag&rft.date=1976&rft.type=Journal+(Paginated)&rft.type=PeerReviewed&rft.format=application%2Fpdf&rft.identifier=http%3A%2F%2Fcogprints.org%2F2919%2F1%2Fbeaugrand-1976.pdf&rft.identifier=++Beaugrand%2C+Jacques++(1976)+An+Attempt+to+Confirm+Magnetic+Sensitivity+in+the+Pigeon%2C+Columba+livia.++%5BJournal+(Paginated)%5D+++++&rft.relation=http%3A%2F%2Fcogprints.org%2F2919%2F