Tony Trewavas of Edinburgh University claims that plants have the power to compute, show foresigh... more Tony Trewavas of Edinburgh University claims that plants have the power to compute, show foresight and remember what happens to them, to such a degree that it may be regarded as underpinning a novel form of intelligence. The only real difference between plants and animals is the ...
Despite the potential benefits gained from behavioural lateralisation, defined as the asymmetrica... more Despite the potential benefits gained from behavioural lateralisation, defined as the asymmetrical expression of cognitive functioning, this trait demonstrates widespread variation within and between populations. Numerous methodologies have been applied to investigate lateralisation, although whether different methodologies give consistent results has been relatively understudied. In this study, we assess (1) the repeatability of individual Poecilia reticulata’s lateralisation indexes between a classic detour assay (I-maze), quasi-circular mirror maze and novel detour assay (a radially symmetric Y-maze); (2) whether the methodological standard of analysing only the first ten turns in a detour assay accurately quantifies lateralisation; and (3) whether lateralisation indexes produced can be adequately explained by random chance by comparing the observed data to a novel unbiased ‘coin-toss’ randomisation model. We found (1) the two detour assays to produce generally consistent results...
Tony Trewavas of Edinburgh University claims that plants have the power to compute, show foresigh... more Tony Trewavas of Edinburgh University claims that plants have the power to compute, show foresight and remember what happens to them, to such a degree that it may be regarded as underpinning a novel form of intelligence. The only real difference between plants and animals is the ...
Despite the potential benefits gained from behavioural lateralisation, defined as the asymmetrica... more Despite the potential benefits gained from behavioural lateralisation, defined as the asymmetrical expression of cognitive functioning, this trait demonstrates widespread variation within and between populations. Numerous methodologies have been applied to investigate lateralisation, although whether different methodologies give consistent results has been relatively understudied. In this study, we assess (1) the repeatability of individual Poecilia reticulata’s lateralisation indexes between a classic detour assay (I-maze), quasi-circular mirror maze and novel detour assay (a radially symmetric Y-maze); (2) whether the methodological standard of analysing only the first ten turns in a detour assay accurately quantifies lateralisation; and (3) whether lateralisation indexes produced can be adequately explained by random chance by comparing the observed data to a novel unbiased ‘coin-toss’ randomisation model. We found (1) the two detour assays to produce generally consistent results...
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