Need for speed: Short lifespan selects for increased learning ability.

Abstract:

:It is generally assumed that an investment into cognitive abilities and their associated cost is particularly beneficial for long-lived species, as a prolonged lifespan allows to recoup the initial investment. However, ephemeral organisms possess astonishing cognitive abilities too. Invertebrates, for example, are capable of simple associative learning, reversal learning, and planning. How can this discrepancy between theory and evidence be explained? Using a simulation, we show that short lives can actually select for an increase in learning abilities. The rationale behind this is that when learning is needed to exploit otherwise inaccessible resources, one needs to learn fast in order to utilize the resources when constrained by short lifespans. And thus, increased cognitive abilities may evolve, not despite short lifespan, but because of it.

journal_name

Sci Rep

journal_title

Scientific reports

authors

Liedtke J,Fromhage L

doi

10.1038/s41598-019-51652-5

subject

Has Abstract

pub_date

2019-10-23 00:00:00

pages

15197

issue

1

issn

2045-2322

pii

10.1038/s41598-019-51652-5

journal_volume

9

pub_type

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