How intelligent is a cephalopod? Lessons from comparative cognition

AK Schnell, P Amodio, M Boeckle… - Biological …, 2021 - Wiley Online Library
The soft‐bodied cephalopods including octopus, cuttlefish, and squid are broadly
considered to be the most cognitively advanced group of invertebrates. Previous research …

Validity of cognitive tests for non-human animals: Pitfalls and prospects

MN Schubiger, C Fichtel, JM Burkart - Frontiers in Psychology, 2020 - frontiersin.org
Comparative psychology assesses cognitive abilities and capacities of non-human animals
and humans. Based on performance differences and similarities in various species in …

What is cognition?

T Bayne, D Brainard, RW Byrne, L Chittka, N Clayton… - Current Biology, 2019 - cell.com
The etymology above (adapted from https://www. etymonline. com/word/cognition) shows
that the word “cognition” has its origins in classical terms relating to the concept of knowing …

Cuttlefish exert self-control in a delay of gratification task

AK Schnell, M Boeckle, M Rivera… - … of the Royal …, 2021 - royalsocietypublishing.org
The ability to exert self-control varies within and across taxa. Some species can exert self-
control for several seconds whereas others, such as large-brained vertebrates, can tolerate …

Creation of an albino squid line by CRISPR-Cas9 and its application for in vivo functional imaging of neural activity

N Ahuja, E Hwaun, JR Pungor, R Rafiq, S Nemes… - Current Biology, 2023 - cell.com
Cephalopods are remarkable among invertebrates for their cognitive abilities, adaptive
camouflage, novel structures, and propensity for recoding proteins through RNA editing …

Cell type diversity in a develo** octopus brain

R Styfhals, G Zolotarov, G Hulselmans… - Nature …, 2022 - nature.com
Octopuses are mollusks that have evolved intricate neural systems comparable with
vertebrates in terms of cell number, complexity and size. The brain cell types that control …

[HTML][HTML] Steroid hormones of the octopus self-destruct system

ZY Wang, MR Pergande, CW Ragsdale, SM Cologna - Current Biology, 2022 - cell.com
Among all invertebrates, soft-bodied cephalopods have the largest central nervous systems
and the greatest brain-to-body mass ratios, yet unlike other big-brained animals …

Mobilizing molluscan models and genomes in biology

A Davison, M Neiman - Philosophical Transactions of the …, 2021 - royalsocietypublishing.org
Molluscs are among the most ancient, diverse, and important of all animal taxa. Even so, no
individual mollusc species has emerged as a broadly applied model system in biology. We …

Convergent evolution of complex cognition: Insights from the field of avian cognition into the study of self-awareness

L Baciadonna, FM Cornero, NJ Emery, NS Clayton - Learning & Behavior, 2021 - Springer
Pioneering research on avian behaviour and cognitive neuroscience have highlighted that
avian species, mainly corvids and parrots, have a cognitive tool kit comparable with apes …

Molecular characterization of cell types in the squid Loligo vulgaris

J Duruz, M Sprecher, JC Kaldun, AS Al-Soudy… - Elife, 2023 - elifesciences.org
Cephalopods are set apart from other mollusks by their advanced behavioral abilities and
the complexity of their nervous systems. Because of the great evolutionary distance that …