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UID:DSC-15156
DTSTART;TZID=Europe/Berlin:20181210T160000
SEQUENCE:1544400607
TRANSP:OPAQUE
DTEND;TZID=Europe/Berlin:20181210T170000
URL:https://dresden-science-calendar.de/calendar/de/detail/15156
LOCATION:TUD CRTD\, Fetscherstraße 10501307 Dresden
SUMMARY:Frankenhuis: Why do sensitive periods exist?
CLASS:PUBLIC
DESCRIPTION:Speaker: Willem E. Frankenhuis\nInstitute of Speaker: Behaviour
 al Science Institute\, Radboud University\nTopics:\nBiologie\, Medizin\n L
 ocation:\n  Name: TUD CRTD (CRTD\, auditorium left)\n  Street: Fetscherstr
 aße 105\n  City: 01307 Dresden\n  Phone: +49 (0)351 458 82052\n  Fax: +49
  (0)351 458 82059 \nDescription: AbstractSensitive periods are increasingl
 y well-understood at the neural-physiological level. However\, we know lit
 tle about the evolutionary selection pressures that produce sensitive peri
 ods. In this talk\, I will present a formal modeling approach to studying 
 the evolution of sensitive periods. We model development as a specializati
 on process during which individuals incrementally adapt to local environme
 ntal conditions\, while sampling imperfect cues to the environmental state
 . We first compute optimal developmental mechanisms (i.e.\, decision rules
 ) for a range of ecological conditions. Then we expose these mechanisms to
  experiences to obtain developmental trajectories and distributions of mat
 ure phenotypes. Our results show that genetically identical individuals wh
 o develop in the same environment diverge phenotypically due to stochastic
  variation in experiences. Moreover\, the stability of individual differen
 ces increases with advancing age. These findings dovetail with empirical o
 bservations in rodents made at the CRT. 5 most recent papersFawcett\, T. W
 .\, &amp\; Frankenhuis\, W. E. (2015). Adaptive explanations for sensitive
  windows in development. Frontiers in Zoology\, 12 (Suppl. 1): S3. Franken
 huis\, W. E.\, Nettle\, D.\, &amp\; McNamara\, J. M. (2018). Echoes of ear
 ly life: Recent insights from mathematical modeling. Child Development\, 8
 9\, 1504-1518. Frankenhuis\, W. E.\, &amp\; Panchanathan\, K. (2011). Bala
 ncing sampling and specialization: An adaptationist model of incremental d
 evelopment. Proceedings of the Royal Society B\, 278\, 3558-3565. Panchana
 than\, K.\, &amp\; Frankenhuis\, W. E. (2016). The evolution of sensitive 
 periods in a model of incremental development. Proceedings of the Royal So
 ciety B\, 283\, 20152439. Stamps\, J.\, &amp\; Frankenhuis\, W. E. (2016).
  Bayesian models of development. Trends in Ecology and Evolution\, 31\, 26
 0-268.
DTSTAMP:20260528T205039Z
CREATED:20181012T000531Z
LAST-MODIFIED:20181210T001007Z
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