Mean percentage of trials where subjects selected the risky option according to the value of the risky option (A) the probability to win (B) and the expected value of the risky option (C) for gorillas (black) and orang-utans (grey). Error bars indicate 95% confidence intervals.</p
<p>Note: Significant deviations from chance level are in boldface (α = .05). Performance on the scal...
We investigate decision-making behaviour in all four non-human great ape species. Apes chose between...
<p>Four groups: patient males, comparison males, patient females, comparison females. Raw (not fitte...
Mean percentage of trials where subjects selected the risky option according to the value of the ris...
Mean percentage of trials where subjects selected the risky option for Experiment 1 (solid line) and...
<p>The left panel shows the mean probability of introducing the potential cause, P(Cause), in each o...
<p>The percentage of correct responses for the (a) T/O task (low cognitive load) and (b) T/L task (h...
<p>(A) In experiment 2 the rewards’ mean and variance of the bad option (black lines) were kept cons...
<p>From left to right, 95% confidence interval of humans’ choice consistency when stimuli pairs were...
<p>Error bars represent 95% confidence intervals. * <i>p</i> < .05, ^ <i>p</i> ≤ .10.</p
We investigate decision-making behaviour in all four non-human great ape species. Apes chose between...
<p>(A) The choice order matrix representing the choice percentages of different colored items for gi...
<p>(<b>a</b>) Gamble rate in the reward and <b>(b)</b> punishment domain. The central mark in the bo...
<p>(A) The choice rate of food items for a given choice order averaged over all monkeys in Condition...
The proportion of advantageous choices made that were consistent with bias (top) and inconsistent wi...
<p>Note: Significant deviations from chance level are in boldface (α = .05). Performance on the scal...
We investigate decision-making behaviour in all four non-human great ape species. Apes chose between...
<p>Four groups: patient males, comparison males, patient females, comparison females. Raw (not fitte...
Mean percentage of trials where subjects selected the risky option according to the value of the ris...
Mean percentage of trials where subjects selected the risky option for Experiment 1 (solid line) and...
<p>The left panel shows the mean probability of introducing the potential cause, P(Cause), in each o...
<p>The percentage of correct responses for the (a) T/O task (low cognitive load) and (b) T/L task (h...
<p>(A) In experiment 2 the rewards’ mean and variance of the bad option (black lines) were kept cons...
<p>From left to right, 95% confidence interval of humans’ choice consistency when stimuli pairs were...
<p>Error bars represent 95% confidence intervals. * <i>p</i> < .05, ^ <i>p</i> ≤ .10.</p
We investigate decision-making behaviour in all four non-human great ape species. Apes chose between...
<p>(A) The choice order matrix representing the choice percentages of different colored items for gi...
<p>(<b>a</b>) Gamble rate in the reward and <b>(b)</b> punishment domain. The central mark in the bo...
<p>(A) The choice rate of food items for a given choice order averaged over all monkeys in Condition...
The proportion of advantageous choices made that were consistent with bias (top) and inconsistent wi...
<p>Note: Significant deviations from chance level are in boldface (α = .05). Performance on the scal...
We investigate decision-making behaviour in all four non-human great ape species. Apes chose between...
<p>Four groups: patient males, comparison males, patient females, comparison females. Raw (not fitte...
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