Top 5 Biorxiv Papers Today in Animal Behavior And Cognition


2.003 Mikeys
#1. Higher anhedonia during withdrawal from initial opioid exposure is protective against subsequent opioid self-administration in rats.
Yayi Swain, Peter Muelken, Annika Skansberg, Danielle Lanzdorf, Zachary Haave, Mark G. LeSage, Jonathan C. Gewirtz, Andrew C. Harris
Understanding factors contributing to individual differences in vulnerability to opioid addiction is essential for developing more effective preventions and treatments, yet few reliable behavioral predictors of subsequent opioid self-administration have been identified in rodents. Sensitivity to the acute effects of initial drug exposure predicts later addiction vulnerability in both humans and animals, but the relationship of sensitivity to withdrawal from initial drug exposure and later drug use vulnerability is unclear. The goal of the current study was to evaluate whether the degree of anhedonia experienced during withdrawal from early opioid exposure predicts subsequent vulnerability to opioid addiction. Rats were first tested for withdrawal sensitivity following acute injections of morphine (i.e., acute dependence), measured as elevations in intracranial self-stimulation (ICSS) thresholds (anhedonia-like behavior) during naloxone-precipitated and spontaneous withdrawal. Rats were then tested for addiction vulnerability using...
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biorxivpreprint: Higher anhedonia during withdrawal from initial opioid exposure is protective against subsequent opioid self-administration in rats. https://t.co/Wo8FsxYMIO #bioRxiv
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Authors: 8
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1.999 Mikeys
#2. An information-theory approach to geometry for animal groups
Christoph D Dahl, Elodie Ferrando, Klaus Zuberbuehler
One of the hardest problems in studying animal behaviour is to quantify patterns of social interaction at the group level. Recent technological developments in global positioning system (GPS) devices have opened up new avenues for locating animals with unprecedented spatial and temporal resolution. Likewise, advances in computing power have enabled new levels of data analyses with complex mathematical models to address unresolved problems in animal behaviour, such as the nature of group geometry and the impact of group-level interactions on individuals. Here, we present an information theory-based tool for the analysis of group behaviour. We illustrate its affordances with GPS data collected from a freely interacting pack of 15 Siberian huskies (Canis lupus familiaris). We found that individual freedom in movement decisions was limited to about 4%, while a subject's location could be predicted with 96% median accuracy by the locations of other group members, a pattern mediated by dominance, kin relations, sex, the relative time of...
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ma63713534: RT @biorxivpreprint: An information-theory approach to geometry for animal groups https://t.co/yfq596WxwF #bioRxiv
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Authors: 3
Total Words: 6819
Unqiue Words: 2130

1.997 Mikeys
#3. Balancing skill against difficulty - behavior, heart rate and heart rate variability of shelter dogs during two different introductions of an interactive game
Christine Arhant, Bernadette Altrichter, Sandra Lehenbauer, Susanne Waiblinger, Claudia Schmied-Wagner, Jason Richard Yee
Interactive games may boost positive well-being by combining the benefits of rewards with cognitive and social enrichment. While a gradual introduction to the game can promote greater learning and skill, a hasty introduction can lead to low success and frustration. Here, we examine two methods of introducing an interactive game to dogs (Canis lupus familiaris) to test whether they elicit differences in success rate, stress-related behavior, and autonomic regulation of the heart. Twenty-eight dogs living in shelters were given the opportunity to play with an interactive game that consists of four boxes with different opening mechanisms. Dogs were introduced to the interactive game in one of two ways: gradually vs hastily. Gradual introduction consisted of allowing the dog to first play a partial (2 out of 4 boxes) version of the game with a human experimenter demonstrating the opening mechanism of the boxes twice, followed by exposure to the complete game. Hasty introduction consisted of the same procedures but presented in a...
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biorxivpreprint: Balancing skill against difficulty - behavior, heart rate and heart rate variability of shelter dogs during two different introductions of an interactive game https://t.co/rhIbYiJ4d7 #bioRxiv
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Authors: 6
Total Words: 0
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1.997 Mikeys
#4. Dynamic integration of forward planning and heuristic preferences during multiple goal pursuit
Florian Ott, Dimitrije Markovic, Alexander Strobel, Stefan J. Kiebel
Selecting goals and successfully pursuing them in an uncertain and dynamic environment is an important aspect of human behaviour. In order to decide which goal to pursue at what point in time, one has to evaluate the consequences of one's actions over future time steps by forward planning. However, when the goal is still temporally distant, detailed forward planning can be prohibitively costly. One way to select actions at minimal computational costs is to use heuristics. It is an open question how humans mix heuristics with forward planning to balance computational costs with goal reaching performance. To test a hypothesis about dynamic mixing of heuristics with forward planning, we used a novel stochastic sequential two-goal task. Comparing participants' decisions with an optimal full planning agent, we found that at the early stages of goal-reaching sequences, in which both goals are temporally distant and planning complexity is high, on average 42% (SD = 19%) of participants' choices deviated from the agent's optimal choices....
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Authors: 4
Total Words: 17225
Unqiue Words: 4114

1.986 Mikeys
#5. Critical analysis of the mosquito repellency evoked by the 10-34 kHz recorded animal sounds: The case of the African female A. gambiae s.s
PHILIP AMUYUNZU MANG'ARE, Francis Ndiritu Gichuki, Samwel Rotich, Jacqueline K. Makatiani, Bernard Rapando Wakhu
Animals sounds have been mimicked in electronic mosquito repellents (EMRs) and exploited as a tool  in the control of malaria by targeting the vector, the  female Anopheles gambiae s.s. The claimed mosquito repellency of  30.3 % due to Anti-Pic®, an  electronic mosquito repellent, had failed to be confirmed in subsequent studies. However, studies on mosquito startle based on initial behavioural activities without an attractant yielded 34.12 % repellency elicited by the 10-34 kHz recorded sound of O. tormota. Other malaria intervention measures involving the use of chemicals have been impeded by the pathogen and vector resistance hence slowing down the rate of decline of malaria morbidity and mortality. The research thus focused on the analytical study of the African female A. gambiae s.s repellency evoked by the 10-34 kHz recorded animal sound of male mosquito, Anopheles gambiae and  Delphinapterus leucas. Landing rates and behavioural startle responses of the mated female A. gambiae on food attractant evoked by the individual...
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Authors: 5
Total Words: 0
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