Study
Octopus vulgaris uses visual information to determine the location of its arm
Gutnick, Tamar; Byrne, Ruth A.; Hochner, Binyamin; Kuba, Michael
Current Biology, 2011
Octopuses had to guide a single arm through an opaque maze to reach food that could be seen but not touched along the way. The maze forced the arm out of the water and out of chemical contact, so the only route to the target was visual guidance of the limb.
- Studied in
- Octopus vulgaris
- Sample size
- individually tested octopuses in a maze apparatus
Octopuses solved the task by watching the arm, steering it towards the goal — but they did not show the precise, pre-planned limb control a vertebrate would use.
What it means
The authors' reading, and ours. Where they differ, that difference is the point.
How the authors put it
Octopuses can use vision to guide an arm towards a goal without a detailed internal map of where the arm is in space.
How NatureHQ reads it
The result cuts against the most quoted octopus story — that the arms are semi-independent and the animal barely knows what they are doing. It is more interesting than that: the octopus can direct an arm visually when it needs to, while apparently lacking the continuous body-position sense that lets a person touch their nose with their eyes shut. Control and self-knowledge come apart here in a way they do not in vertebrates.
- Small numbers, as is normal in cephalopod laboratory work.
- An artificial task with no wild equivalent.
- Absence of precise proprioceptive control is inferred from performance, not measured directly.
What this study is used for on NatureHQ
One study can inform several subjects. Here is everywhere this one is cited.
Published by: Cell PressPublished in a Cell Press journal.
doi.org/10.1016/j.cub.2011.01.052
This reference was resolved automatically against Crossref and OpenAlex on 2026-08-11.
NatureHQ summarises research in its own words and does not reproduce published text. Reviewed 2026-08-09.