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Do octopuses have more neurons than humans? 

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As octopuses and vertebrates are very remote phylogenetically, this convergence suggests the importance of the shared properties for the mediation of learning and memory.
Behavior at this second site confirms that complex social interactions also occur in association with natural substrate, and suggest that social interactions are more wide spread among octopuses than previously recognized.
The experimental results indicate that octopuses do not take bodily position into account in learning to make detours.
This finding resolves conflicting evidence from previous work and establishes that octopuses do not exhibit a brightness preference per se.
Results also suggest a significant effect of relatedness on developing temperamental profiles of octopuses.
Any training paradigm should take such individual recognition into consideration as it could significantly alter the octopuses' responses.
This finding would be important when considering the life-history strategies of octopuses.

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