behavioral signature
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Author(s):  
Dr. C. K. Gomathy

Abstract: Analyzing cyber incident information units is an essential approach for deepening our information of the evolution of the risk situation. This is a notably new studies topic, and plenty of research continue to be to be done. In this paper, we record a statistical evaluation of a breach incident information set similar to 12 years (2005–2017) of cyber hacking sports that encompass malware attacks. We display that, in evaluation to the findings suggested withinside the literature, each hacking breach incident inter-arrival instances and breach sizes need to be modeled through stochastic processes, instead of through distributions due to the fact they show off autocorrelations. Then, we recommend specific stochastic method fashions to, respectively, match the inter-arrival instances and the breach sizes. In this paper we be aware that, through reading their actions, we are able to classify malware right into a small quantity of Behavioral classes, every of which plays a restrained set of misbehaviors that signify them. These misbehaviors may be described through tracking capabilities belonging to exclusive platforms. In this paper we gift a singular host-primarily based totally malware detection machine in OSN which concurrently analyzes and correlates capabilities at 4 levels: kernel, application, person and package, to come across and prevent malicious behaviors. It has been designed to do not forget the ones behaviors traits of virtually each actual malware which may be observed withinside the wild. This prototype detects and efficaciously blocks greater than 96% of malicious apps, which come from 3 massive datasets with approximately 2,800 apps, through exploiting the cooperation of parallel classifiers and a behavioral signature-primarily based totally detector. Keywords: Cyber security, Malware, Emerging technology trends, Emerging cyber threats, Cyber attacks and countermeasures


2021 ◽  
Vol 30 (5) ◽  
pp. 444-453
Author(s):  
M. Teresa Bajo ◽  
Carlos J. Gómez-Ariza ◽  
Alejandra Marful

Knowledge in memory is vast and not always relevant to the task at hand. Recent views suggest that the human cognitive system has evolved so that it includes goal-driven control mechanisms to regulate the level of activation of specific pieces of knowledge and make distracting or unwanted information in memory less accessible. This operation is primarily directed to facilitate the use of task-relevant knowledge. However, these control processes may also have side effects on performance in a variety of situations when the task at hand partly relies on access to suppressed information. In this article, we show that various types of information to be used in a variety of different contexts (problem solving, decision making based on personal information, language production) may be the target of inhibitory control. We also show that the control process may leave a behavioral signature if suppressed information turns out to be relevant shortly after being suppressed.


2021 ◽  
Vol 11 (1) ◽  
Author(s):  
April Contreras ◽  
Matthew Khumnark ◽  
Rochelle M. Hines ◽  
Dustin J. Hines

AbstractPerception, emotion, and mood are powerfully modulated by serotonin receptor (5-HTR) agonists including hallucinogens. The 5-HT2AR subtype has been shown to be central to hallucinogen action, yet the precise mechanisms mediating the response to 5-HT2AR activation remain unclear. Hallucinogens induce the head twitch response (HTR) in rodents, which is the most commonly used behavioral readout of hallucinogen pharmacology. While the HTR provides a key behavioral signature, less is known about the meso level changes that are induced by 5-HT2AR activation. In response to administration of the potent and highly selective 5-HT2AR agonist 25I-NBOH in mice, we observe a disorganization of behavior which includes frequent episodes of behavioral arrest that consistently precede the HTR by a precise interval. By combining behavioral analysis with electroencephalogram (EEG) recordings we describe a characteristic pattern composed of two distinctive EEG waveforms, Phase 1 and Phase 2, that map onto behavioral arrest and the HTR respectively, with the same temporal separation. Phase 1, which underlies behavioral arrest, is a 3.5–4.5 Hz waveform, while Phase 2 is slower at 2.5–3.2 Hz. Nicotine pretreatment, considered an integral component of ritualistic hallucinogen practices, attenuates 25I-NBOH induced HTR and Phase 2 waveforms, yet increases behavioral arrest and Phase 1 waveforms. Our results suggest that in addition to the HTR, behavioral arrest and characteristic meso level slow waveforms are key hallmarks of the response to 5-HT2AR activation. Increased understanding of the response to serotonergic hallucinogens may provide mechanistic insights into perception and hallucinations, as well as regulation of mood.


Author(s):  
Ruth Feldman

The recent shift from psychopathology to resilience and from diagnosis to functioning requires the construction of transdiagnostic markers of adaptation. This review describes a model of resilience that is based on the neurobiology of affiliation and the initial condition of mammals that mature in the context of the mother's body and social behavior. The model proposes three tenets of resilience—plasticity, sociality, and meaning—and argues that coordinated social behavior stands at the core sustaining resilience. Two lines in the maturation of coordinated social behavior are charted, across animal evolution and throughout human development, culminating in the mature human reciprocity of empathy, mutuality, and perspective-taking. Cumulative evidence across ages and clinical conditions and based on our behavioral coding system demonstrates that social reciprocity, defined by plasticity at the individual, dyadic, and group levels, denotes resilience, whereas the two poles of disengagement/avoidance and intrusion/rigidity characterize specific psychopathologies, each with a distinct behavioral signature. Attention to developmentally sensitive markers and to the dimension of meaning in human sociality may open new, behavior-based pathways to resilience. Expected final online publication date for the Annual Review of Clinical Psychology, Volume 17 is May 2021. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.


Neurology ◽  
2020 ◽  
Vol 95 (13) ◽  
pp. e1784-e1791
Author(s):  
Emma J. Solly ◽  
Meaghan Clough ◽  
Allison M. McKendrick ◽  
Paige Foletta ◽  
Owen B. White ◽  
...  

ObjectiveTo determine whether changes to cortical processing of visual information can be evaluated objectively using 3 simple ocular motor tasks to measure performance in patients with visual snow syndrome (VSS).MethodsSixty-four patients with VSS (32 with migraine and 32 with no migraine) and 23 controls participated. Three ocular motor tasks were included: prosaccade (PS), antisaccade (AS), and interleaved AS-PS tasks. All these tasks have been used extensively in both neurologically healthy and diseased states.ResultsWe demonstrated that, compared to controls, the VSS group generated significantly shortened PS latencies (p = 0.029) and an increased rate of AS errors (p = 0.001), irrespective of the demands placed on visual processing (i.e., task context). Switch costs, a feature of the AS-PS task, were comparable across groups, and a significant correlation was found between shortened PS latencies and increased AS error rates for patients with VSS (r = 0.404).ConclusionWe identified objective and quantifiable measures of visual processing changes in patients with VSS. The absence of any additional switch cost on the AS-PS task in VSS suggests that the PS latency and AS error differences are attributable to a speeded PS response rather than to impaired executive processes more commonly implicated in poorer AS performance. We propose that this combination of latency and error deficits, in conjunction with intact switching performance, will provide a VS behavioral signature that contributes to our understanding of VSS and may assist in determining the efficacy of therapeutic interventions.


2019 ◽  
Vol 9 (1) ◽  
Author(s):  
Ana Saitovitch ◽  
Hervé Lemaitre ◽  
Elza Rechtman ◽  
Alice Vinçon-Leite ◽  
Raphael Calmon ◽  
...  

2018 ◽  
Vol 115 (16) ◽  
pp. 4122-4127 ◽  
Author(s):  
Anna B. Konova ◽  
Kenway Louie ◽  
Paul W. Glimcher

Craving is thought to be a specific desire state that biases choice toward the desired object, be it chocolate or drugs. A vast majority of people report having experienced craving of some kind. In its pathological form craving contributes to health outcomes in addiction and obesity. Yet despite its ubiquity and clinical relevance we still lack a basic neurocomputational understanding of craving. Here, using an instantaneous measure of subjective valuation and selective cue exposure, we identify a behavioral signature of a food craving-like state and advance a computational framework for understanding how this state might transform valuation to bias choice. We find desire induced by exposure to a specific high-calorie, high-fat/sugar snack good is expressed in subjects’ momentary willingness to pay for this good. This effect is selective but not exclusive to the exposed good; rather, we find it generalizes to nonexposed goods in proportion to their subjective attribute similarity to the exposed ones. A second manipulation of reward size (number of snack units available for purchase) further suggested that a multiplicative gain mechanism supports the transformation of valuation during laboratory craving. These findings help explain how real-world food craving can result in behaviors inconsistent with preferences expressed in the absence of craving and open a path for the computational modeling of craving-like phenomena using a simple and repeatable experimental tool for assessing subjective states in economic terms.


2017 ◽  
Vol 10 (8) ◽  
pp. 2103-2118 ◽  
Author(s):  
Adeyemi Richard Ikuesan ◽  
Shukor Abd Razak ◽  
Hein S. Venter ◽  
Mazleena Salleh
Keyword(s):  

2017 ◽  
Vol 4 (4) ◽  
pp. 341-347 ◽  
Author(s):  
José G. Grajales-Reyes ◽  
Aurian García-González ◽  
José C. María-Ríos ◽  
Gary E. Grajales-Reyes ◽  
Manuel Delgado-Vélez ◽  
...  

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