memory condition
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2020 ◽  
pp. 174702182097608
Author(s):  
Jean YJ Hsieh ◽  
O Scott Gwinn ◽  
Kevin R Brooks ◽  
Ian D Stephen ◽  
Daniel J Carragher ◽  
...  

Individual faces are rated as more attractive when presented in a group compared with when presented individually; a finding dubbed the “cheerleader effect.” As a relatively recent discovery, the conditions necessary to observe the effect are not clearly understood. We sought to better define these conditions by examining two parameters associated with the effect. Our first aim was to determine whether the effect is specific to faces or occurs also for human bodies. Both face and body images were rated as being more attractive when presented in groups than when presented in isolation, demonstrating that the cheerleader effect is not restricted to faces. Furthermore, the effect was significantly larger for bodies than faces. Our second aim was to determine whether the cheerleader effect originates from a bias in memory or occurs during perceptual encoding. Participants in the “memory” condition provided attractiveness ratings after images had been removed from the testing screen, whereas participants in the “perceptual” condition provided ratings while the images remained visible, thereby eliminating the memory components of the paradigm. Significant cheerleader effects were only observed in the memory condition. We conclude that the cheerleader effect for faces and bodies is due to a bias in memory and does not occur at an initial stage of perceptual encoding.



Repositor ◽  
2020 ◽  
Vol 2 (1) ◽  
pp. 15
Author(s):  
Inung Bagus Prasetyo ◽  
Mahar Faiqurahman ◽  
Zamah Sari

The WSN network is increasingly gaining attention because of the potential for new and attractive solutions in the field of industrial automation, asset processing, environmental preparation and others. But there are some problems in building the WSN network. Sensor nodes must manage small, cost-effective, low-resource, node sensors must be managed properly with WSN networks Managing WSN networks, can be done by controlling sensor nodes such as giving commands to data transmission activities and monitoring to determine the condition of sensor nodes. The MQTT protocol with the type of publishing / subscription communication is designed with characteristics similar to the characteristics of the WSN network, which are simple, lightweight, energy efficient and easy to implement.In this study, a server will be implemented that can control and monitor the sensors of the WSN network node using the MQTT protocol. Then RTT parameters are used, Qo parameters include Delay, Jitter, Throughput, Packet Loss and sensor node memory condition parameters when using the MQTT protocol. The RTT and QoS scenarios use variations in data size of 16,32,48,64,80 and 96 bytes. Monitoring memory nodes, performing for 1 minute with a total of 30 data transmissions. The RTT parameter testing results are quite stable. QoS testing is very good with stable delay, jitter, increasing throughput, and 0% of data lost when packet loss testing. The Test Memory node sensor, shows erratic results.  



2018 ◽  
Vol 6 (2) ◽  
pp. 169-182 ◽  
Author(s):  
Simon Grondin ◽  
Vincent Laflamme ◽  
Giovanna Mioni ◽  
André Morin ◽  
Félix Désautels ◽  
...  

Sixty-one participants were asked (a) to recall a memory for a period lasting 15 minutes and (b), at the end of this period, to estimate retrospectively the duration of this period. They were assigned to one of four groups: the memory was either joyful or sad, and was recent (within the past two years) or old (when the participant was 7 to 10 years old). The most critical finding is the demonstration that the age of the recalled memory has an impact on the verbal estimation. More specifically, duration is underestimated in the old but not in the recent memory condition. Moreover, in this study, recalling a memory, old or recent, is shown to be an efficient way to generate a joyful or sad emotion. Finally, the results also indicate that there is a significant correlation between the uncertainty related to the duration estimated retrospectively and the score on the present-hedonistic scale of the Zimbardo Time Perspective Inventory.



Author(s):  
Bonnie M. Perdue ◽  
Andrew J. Kelly ◽  
Michael J. Beran

There are many parallels between human and nonhuman animal cognitive abilities, suggesting an evolutionary basis for many forms of cognition, including memory. For instance, past research found that two chimpanzees exhibited an isolation effect, or improved memory for semantically distinctive items on a list (Beran, 2011). These results support the notion that chimpanzees are capable of semantic, relational processing in memory, and introduce the possibility that other effects observed in humans, such as distinctiveness effects or false memories, may be present in nonhuman species. The Deese-Roediger-McDermott (DRM) paradigm is a commonly used task to explore these phenomena, and it was adapted for use with chimpanzees. We tested four chimpanzees for isolation effects during encoding, distinctiveness effects during recognition, and potential “false memories” generated by the DRM paradigm by presenting a serial recognition memory task. The isolation effect previously reported (Beran, 2011) was not replicated in this experiment. Two of four chimpanzees showed improved recognition performance when information about distinctiveness could be used to exclude incorrect responses. None of the chimpanzees were significantly impaired in the “false memory” condition. However, limitations to this approach are discussed that require caution about assuming identical memory processes in these chimpanzees and in humans.



2017 ◽  
Vol 46 (6) ◽  
pp. 862-880 ◽  
Author(s):  
Laura S. Sakka ◽  
Patrik N. Juslin

Music is often used to alleviate depression, an affective disorder. Yet, little is known about how listeners suffering from depression respond emotionally to music. The goal of this study was to investigate whether listeners show different patterns of emotional reactions to music depending on level of depression. In previous research, depression has been linked with negative biases in cognitive processes such as memory and attention. Here we indirectly investigated whether such biases may also influence psychological mechanisms involved in the arousal of emotions during musical experiences. Seventy-seven listeners (19–65 years old) took part in an experiment which compared depressed individuals with non-depressed controls. The participants listened to music stimuli designed to target specific induction mechanisms (brain stem reflex, contagion, episodic memory), and were asked to rate felt emotions. Based on previous studies on cognitive bias, we made predictions about how depression would affect reactions to each stimulus. The predictions received partial support: depressed listeners reported significantly lower levels of happiness in the memory condition and non-significantly higher levels of anxiety in the brain stem condition, than did controls. Conversely, no difference in reported sadness was found in the contagion condition. Observed differences were mainly attributable to the severely depressed listeners.



2015 ◽  
Vol 15 (3-4) ◽  
pp. 402-429 ◽  
Author(s):  
Claire White

Little is known about how the minds and bodies of reincarnated agents are represented. In three studies, participants decided which individual, out of multiple contenders, was most likely to be the reincarnation of a deceased person, based upon a single matching feature between the deceased and each of the candidates. While most participants endorsed reincarnation as entailing a new body, they reasoned that candidates with a similar physical mark (e.g., a mole) or a similar episodic autobiographical memory to the deceased, when alive, were more likely than candidates with other physical or psychological based similarities to be the reincarnation of the deceased. As predicted, by increasing the distinctiveness of a matching physical mark and an episodic autobiographical memory, while holding others constant, likelihood judgments for the candidate with the similar distinctive physical mark were significantly higher than candidates with non-distinctive physical marks, but differences between the distinct and general episodic autobiographical memory condition did not reach statistical significance. These findings support the claim that we intuitively represent reincarnated agents as psychologically determined but physically embodied, and that different assumptions underpin the use of physical and psychological features to establish identity in reincarnation contexts.



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