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TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:America/New_York EDT END:DAYLIGHT BEGIN:DAYLIGHT DTSTART:20350311T030000 RDATE:20351104T010000 TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:America/New_York EDT END:DAYLIGHT BEGIN:DAYLIGHT DTSTART:20360309T030000 RDATE:20361102T010000 TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:America/New_York EDT END:DAYLIGHT BEGIN:DAYLIGHT DTSTART:20370308T030000 RDATE:20371101T010000 TZOFFSETFROM:-0500 TZOFFSETTO:-0400 TZNAME:America/New_York EDT END:DAYLIGHT END:VTIMEZONE BEGIN:VEVENT UID:63bb1c3ed2d4616382169078c630f2e1 CATEGORIES:RuCCS Colloquia:Fall 2009 CREATED:20151203T141542 SUMMARY:The structure of navigation memory in an insect, the honeybee (talk recording available) LOCATION:Freie Universitat Berlin\, Institut fur Biologie - Neurobiologie DESCRIPTION:Honeybees explore the environment around their nest before taking up foragi ng activities. The memory established during these orientation flights allo ws them to travel novel routes, and to decide between different destination s. One way of conceptualizing the structure of spatial memory in bees is to assume integration of long ranging flight vectors, and decision making bet ween options resulting from different vector integration processes. I shall present data from experiments in which we used tracing of flight paths wit h a harmonic radar system. The animals were trained to one or two feeding s ites and received vector information from dancing bees. Bees visiting two f eeding sites fly to either one of the feeding sites or the hive along novel routes. Animals that received vector information during dance communicatio n integrated this information into their own knowledge of flights paths and flew novel routes to between the known place and the communicated place. T hese and other results indicate that communicated vector information and le arned routes are integrated in such a way that decisions are made between l ocations to be visited and along which route.\nThe data can also be underst ood to document a map-like structure of spatial memory. In the context of s uch a model communicated vector information would inform the animal about a location (and not just a flight path), and decisions between locations wil l be made according to the most economical flight performance and the relia bility of the information available to guide the flight towards the respect ive location.\nTo view a recording of this talk click here (You will need a Rutgers NetID and password) (https://sakai.rutgers.edu/portal/site/876a56f 9-2ad8-41da-b3e7-5bbf71bc3450/page/0b5b24bb-566f-46db-8259-20ac975ea2d1)\n X-ALT-DESC;FMTTYPE=text/html:
Honeybees explore the envir onment around their nest before taking up foraging activities. The memory e stablished during these orientation flights allows them to travel novel rou tes, and to decide between different destinations. One way of conceptualizi ng the structure of spatial memory in bees is to assume integration of long ranging flight vectors, and decision making between options resulting from different vector integration processes. I shall present data from experime nts in which we used tracing of flight paths with a harmonic radar system. The animals were trained to one or two feeding sites and received vector in formation from dancing bees. Bees visiting two feeding sites fly to either one of the feeding sites or the hive along novel routes. Animals that recei ved vector information during dance communication integrated this informati on into their own knowledge of flights paths and flew novel routes to betwe en the known place and the communicated place. These and other results indi cate that communicated vector information and learned routes are integrated in such a way that decisions are made between locations to be visited and along which route.
The data can also be understood to document a map-like structure o f spatial memory. In the context of such a model communicated vector inform ation would inform the animal about a location (and not just a flight path) , and decisions between locations will be made according to the most econom ical flight performance and the reliability of the information available to guide the flight towards the respective location.
To view a recording of th is talk click here (You will need a Rutgers NetID and password)
CONTACT:Dr. Randolf Menzel X-EXTRAINFO:Dr. Randolf Menzel (http://www.neurobiologie.fu-berlin.de/menzel/menzel.htm l) DTSTAMP:20240329T103124 DTSTART;TZID=America/New_York:20091013T130000 DTEND;TZID=America/New_York:20091013T140000 SEQUENCE:0 TRANSP:OPAQUE END:VEVENT END:VCALENDAR