Alexander Denman-Brice's research while affiliated with Rutgers, The State University of New Jersey and other places
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Publications (6)
Imposed social subordination, such as that which accompanies physical defeat or alienation, has been associated with impaired cognitive function in both human and non-human animals. Here we examined whether domain-specific and/or domain-general learning abilities (c.f. general intelligence) are differentially influenced by the imposition of social...
Contemporary descriptions of human intelligence hold that this trait influences a broad range of cognitive abilities, including learning, attention, and reasoning. Like humans, individual genetically heterogeneous mice express a "general" cognitive trait that influences performance across a diverse array of learning and attentional tasks, and it ha...
Learning, attentional, and perseverative deficits are characteristic of cognitive aging. In this study, genetically diverse CD-1 mice underwent longitudinal training in a task asserted to tax working memory capacity and its dependence on selective attention. Beginning at 3 mo of age, animals were trained for 12 d to perform in a dual radial-arm maz...
In both humans and mice, the efficacy of working memory capacity and its related process, selective attention, are each strongly predictive of individuals' aggregate performance in cognitive test batteries [1-9]. Because working memory is taxed during most cognitive tasks, the efficacy of working memory may have a causal influence on individuals' p...
Contemporary descriptions of human intelligence hold that this trait influences a broad range of cognitive abilities, including learning, attention, and reasoning. Like humans, individual genetically heterogeneous mice express a "general" cognitive trait that influences performance across a diverse array of learning and attentional tasks, and it ha...
Citations
... It is one of the most important and ubiquitous of all problem-solving activities. 46,47 Baghel et al determined that the integration of multiple relations between mental representations is critical for higher-level cognition. Relational integration may be a basic common factor that connects various abilities that depend on prefrontal function, including problem-solving, for which an intact prefrontal cortex is essential. ...
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... The amygdaloid complex is known to connect two sensory systems (i.e., auditory and olfactory) that are sensitive to stress, which can lead to impairments in learning and memory (Soudry et al. 2011;Kiyokawa et al. 2012). Distress calls induce neuronal activation in the amygdala, resulting in an increase in neuronal excitability that may recall the fear memory of C. sphinx associated with distress calls (Chattarji et al. 2015) or may suppress exploratory behaviour to the novel odor, possibly by inhibiting amygdala output (Colas-Zelin et al. 2012). Thus, the bats exposed to distress calls/PBs of distress calls showed fewer feeding attempts and bouts towards novel odors. ...
... Although there is no nal de nition yet, a generally accepted concept of intelligence might be "a measure of an agent's ability to achieve goals in a wide range of environments", based on Legg and Hutter's synthesis of more than seventy de nitions (Legg and Hutter 2007a, b; Youse an et al. 2016). Generally, intelligence includes the ability to adapt to the environment and to learn quickly, with adaptability and exibility (Zador et al. 2023; Wass et al. 2012). In the nature, many animals have developed such skills to cope with changing environments and unpredictable events, especially when it comes to the most critical survival situations such as predation and escape. ...
... Indeed, this may well explain the significant performance difference not only between young and aged mice on level 0 trials but also between young mice performing at ITI10s vs ITI30s. (Note also that the existing literature on aged phenotypes in simple reinforced T-or Y-maze spatial alternation protocols is inconclusive, some studies showing no significant impairment compared to young mice (Bisaz et al., 2013) some showing a highly significant deficit (Matzel et al., 2011), a discrepancy which may be due to differences in experimental design.) ...
... Spatial working memory tasks additionally engage hippocampal circuits including the fimbriafornix 22,23 . Working memory capacity/ performance in a given task can be improved (trained) through reiterative practice both in humans [24][25][26][27] and mice 28 , although how training modifies the underlying psychological processes and neural circuits is not known. ...
