Louisa Bierbaum
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View article: Forever an optimist? Investigating the temporal consistency of optimism within and across life phases in rats
Forever an optimist? Investigating the temporal consistency of optimism within and across life phases in rats Open
It is long known from human psychology that people differ in their perception of the world, with some judging ambiguous information more positively (i.e., “optimists”) and some more negatively (i.e., “pessimists”). About 20 years ago, this…
View article: Structural enrichment for laboratory mice: exploring the effects of novelty and complexity
Structural enrichment for laboratory mice: exploring the effects of novelty and complexity Open
Providing structural enrichment is a widespread refinement method for laboratory rodents and other animals in captivity. So far, animal welfare research has mostly focused on the effect of increased complexity either by accumulating or com…
View article: The behavioural ecology of optimism: exploring potential consequences of judgement bias in mice
The behavioural ecology of optimism: exploring potential consequences of judgement bias in mice Open
When confronted with ambiguous information, some individuals respond as expecting positive and others as expecting negative outcomes. Based on such decisions in ambiguous situations, a behavioural test was developed in animal welfare scien…
View article: The Effects of Different Feeding Routines on Welfare in Laboratory Mice
The Effects of Different Feeding Routines on Welfare in Laboratory Mice Open
The accepted norm in most laboratories around the globe is feeding laboratory mice an ad libitum diet, although several health impairments are well-established. In contrast, reducing the animals' body weight by feeding them less food once …