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decision neuroscience

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https://www.readbyqxmd.com/read/28203355/who-is-the-usual-suspect-evidence-of-a-selection-bias-toward-faces-that-make-direct-eye-contact-in-a-lineup-task
#1
Jessica Taubert, Celine van Golde, Frans A J Verstraten
The speed and ease with which we recognize the faces of our friends and family members belies the difficulty we have recognizing less familiar individuals. Nonetheless, overconfidence in our ability to recognize faces has carried over into various aspects of our legal system; for instance, eyewitness identification serves a critical role in criminal proceedings. For this reason, understanding the perceptual and psychological processes that underlie false identification is of the utmost importance. Gaze direction is a salient social signal and direct eye contact, in particular, is thought to capture attention...
January 2017: I-Perception
https://www.readbyqxmd.com/read/28196280/cuda-based-acceleration-and-bpn-assisted-automation-of-bilateral-filtering-for-brain-mr-image-restoration
#2
Herng-Hua Chang, Yu-Ning Chang
PURPOSE: Bilateral filters have been substantially exploited in numerous magnetic resonance (MR) image restoration applications for decades. Due to the deficiency of theoretical basis on the filter parameter setting, empirical manipulation with fixed values and noise variance related adjustments has generally been employed. The outcome of these strategies is usually sensitive to the variation of the brain structures and not all the three parameter values are optimal. This article is in an attempt to investigate the optimal setting of the bilateral filter, from which an accelerated and automated restoration framework is developed...
February 14, 2017: Medical Physics
https://www.readbyqxmd.com/read/28195556/how-neuroscience-can-inform-the-study-of-individual-differences-in-cognitive-abilities
#3
Dennis J McFarland
Theories of human mental abilities should be consistent with what is known in neuroscience. Currently, tests of human mental abilities are modeled by cognitive constructs such as attention, working memory, and speed of information processing. These constructs are in turn related to a single general ability. However, brains are very complex systems and whether most of the variability between the operations of different brains can be ascribed to a single factor is questionable. Research in neuroscience suggests that psychological processes such as perception, attention, decision, and executive control are emergent properties of interacting distributed networks...
February 14, 2017: Reviews in the Neurosciences
https://www.readbyqxmd.com/read/28187812/family-discussions-on-life-sustaining-interventions-in-neurocritical-care
#4
M M Adil, D Larriviere
Approximately 20% of all deaths in the USA occur in the intensive care unit (ICU) and the majority of ICU deaths involves decision of de-escalation of life-sustaining interventions. Life-sustaining interventions may include intubation and mechanical ventilation, artificial nutrition and hydration, antibiotic treatment, brain surgery, or vasoactive support. Decision making about goals of care can be defined as an end-of-life communication and the decision-making process between a clinician and a patient (or a surrogate decision maker if the patient is incapable) in an institutional setting to establish a plan of care...
2017: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/28122198/primary-motor-cortex-functionally-contributes-to-language-comprehension-an-online-rtms-study
#5
Nikola Vukovic, Matteo Feurra, Anna Shpektor, Andriy Myachykov, Yury Shtyrov
Among various questions pertinent to grounding human cognitive functions in a neurobiological substrate, the association between language and motor brain structures is a particularly debated one in neuroscience and psychology. While many studies support a broadly distributed model of language and semantics grounded, among other things, in the general modality-specific systems, theories disagree as to whether motor and sensory cortex activity observed during language processing is functional or epiphenomenal...
February 2017: Neuropsychologia
https://www.readbyqxmd.com/read/28117260/linear-accelerator-radiosurgery-for-arteriovenous-malformations-updated-literature-review
#6
S Yahya, G Heyes, P Nightingale, S Lamin, S Chavda, I Geh, D Spooner, G Cruickshank, P Sanghera
Arteriovenous malformations (AVMs) are the leading causing of intra-cerebral haemorrhage. Stereotactic radiosurgery (SRS) is an established treatment for arteriovenous malformations (AVM) and commonly delivered using Gamma Knife within dedicated radiosurgery units. Linear accelerator (LINAC) SRS is increasingly available however debate remains over whether it offers an equivalent outcome. The aim of this project is to evaluate the outcomes using LINAC SRS for AVMs used within a UK neurosciences unit and review the literature to aid decision making across various SRS platforms...
January 21, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28088350/the-emotive-nature-of-conflict-monitoring-in-the-medial-prefrontal-cortex
#7
Blair Saunders, Hause Lin, Marina Milyavskaya, Michael Inzlicht
The detection of conflict between incompatible impulses, thoughts, and actions is a ubiquitous source of motivation across theories of goal-directed action. In this overview, we explore the hypothesis that conflict is emotive, integrating perspectives from affective science and cognitive neuroscience. Initially, we review evidence suggesting that the mental and biological processes that monitor for information processing conflict-particularly those generated by the anterior midcingulate cortex-track the affective significance of conflict and use this signal to motivate increased control...
January 11, 2017: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28074581/conflating-capacity-authority-why-we-re-asking-the-wrong-question-in-the-adolescent-decision-making-debate
#8
Erica K Salter
Whether adolescents should be allowed to make their own medical decisions has been a topic of discussion in bioethics for at least two decades now. Are adolescents sufficiently capacitated to make their own medical decisions? Is the mature-minor doctrine, an uncommon legal exception to the rule of parental decision-making authority, something we should expand or eliminate? Bioethicists have dealt with the curious liminality of adolescents-their being neither children nor adults-in a variety of ways. However, recently there has been a trend to rely heavily, and often exclusively, on emerging neuroscientific and psychological data to answer these questions...
January 2017: Hastings Center Report
https://www.readbyqxmd.com/read/28056343/perceptual-decision-making-in-rodents-monkeys-and-humans
#9
REVIEW
Timothy D Hanks, Christopher Summerfield
Perceptual decision making is the process by which animals detect, discriminate, and categorize information from the senses. Over the past two decades, understanding how perceptual decisions are made has become a central theme in the neurosciences. Exceptional progress has been made by recording from single neurons in the cortex of the macaque monkey and using computational models from mathematical psychology to relate these neural data to behavior. More recently, however, the range of available techniques and paradigms has dramatically broadened, and researchers have begun to harness new approaches to explore how rodents and humans make perceptual decisions...
January 4, 2017: Neuron
https://www.readbyqxmd.com/read/28036071/the-interplay-of-hippocampus-and-ventromedial-prefrontal-cortex-in-memory-based-decision-making
#10
REVIEW
Regina A Weilbächer, Sebastian Gluth
Episodic memory and value-based decision making are two central and intensively studied research domains in cognitive neuroscience, but we are just beginning to understand how they interact to enable memory-based decisions. The two brain regions that have been associated with episodic memory and value-based decision making are the hippocampus and the ventromedial prefrontal cortex, respectively. In this review article, we first give an overview of these brain-behavior associations and then focus on the mechanisms of potential interactions between the hippocampus and ventromedial prefrontal cortex that have been proposed and tested in recent neuroimaging studies...
December 29, 2016: Brain Sciences
https://www.readbyqxmd.com/read/28030362/the-guilty-brain-the-utility-of-neuroimaging-and-neurostimulation-studies-in-forensic-field
#11
Francesca Mameli, Cristina Scarpazza, Emanuele Tomasini, Roberta Ferrucci, Fabiana Ruggiero, Giuseppe Sartori, Alberto Priori
Several studies have aimed to address the natural inability of humankind to detect deception and accurately discriminate lying from truth in the legal context. To date, it has been well established that telling a lie is a complex mental activity. During deception, many functions of higher cognition are involved: the decision to lie, withholding the truth, fabricating the lie, monitoring whether the receiver believes the lie, and, if necessary, adjusting the fabricated story and maintaining a consistent lie...
February 1, 2017: Reviews in the Neurosciences
https://www.readbyqxmd.com/read/27982418/a-developmental-neuroscience-study-of-moral-decision-making-regarding-resource-allocation
#12
Kimberly L Meidenbauer, Jason M Cowell, Melanie Killen, Jean Decety
Distinguishing between equity and equality is essential when making social and moral decisions, yet the related neurodevelopmental processes are unknown. Evaluations of contextually based third-party distributions incorporating recipient need and resource importance were examined in children and adolescents (N = 82; 8-16 years). Spatiotemporal neurodynamic responses show distinct developmental profiles to viewing such distributions. Event-related potentials (ERPs) differentially predicted real-life behaviors based on age, where older children's (8-10 years) evaluations were related to a fairly rapid, automatic ERP component (early posterior negativity), whereas adolescent and preadolescent (11-16 years) evaluations, first-person allocations, and prosocial behaviors were predicted by later, cognitively controlled ERP components (P3 and late positive potential)...
December 16, 2016: Child Development
https://www.readbyqxmd.com/read/27959266/doubt-and-the-decision-making-process-in-obsessive-compulsive-disorder
#13
Gerald Nestadt, Vidyulata Kamath, Brion S Maher, Janice Krasnow, Paul Nestadt, Ying Wang, Arnold Bakker, Jack Samuels
The diagnosis of obsessive-compulsive disorder (OCD) is based on the presence of specific symptoms and their consequence in the lives of those that exhibit them. It is likely that these symptoms emerge from a neurocognitive vulnerability in the mental life of the individual which has a basis in neurophysiology. The prominence of doubt/uncertainty/lack of confidence (These terms are used interchangeably in this paper.), in the clinical presentation of many patients suffering from OCD leads to our consideration of the cognitive basis for this phenomenon...
November 2016: Medical Hypotheses
https://www.readbyqxmd.com/read/27911071/severe-brain-injury-in-massachusetts-assessing-the-continuum-of-care
#14
Laura Lorenz, Gabrielle Katz
Acquired brain injury (ABI) is a major public health problem in Massachusetts (Hackman et al, 2014) and includes traumatic brain injury (TBI), stroke, ABI-related infectious diseases, metabolic disorders affecting the central nervous system (brain and spinal cord), and brain tumor. Advances in emergency medical care and neurosurgery mean that more people are surviving severe traumatic brain injury (Trexler et al, 2014). Yet many patients with severe TBI in particular, are not receiving inpatient services after initial treatment (Hackman et al, 2014; CDC, 2014) or later that are known to be effective (Malec & Kean, 2015; Lewis & Horn, 2015; BI Commission, 2011; Kolakowsky-Hayner et al, 2000; Interviews)...
December 10, 2015: Issue Brief
https://www.readbyqxmd.com/read/27907968/palliative-care-practice-in-neurocritical-care
#15
Andrea K Knies, David Y Hwang
Many neurocritically ill patients and their families have high amounts of palliative care needs. Multiple professional societies relevant to neurocritical care have released consensus statements on meeting palliative care needs in neuroscience intensive care units. In this review, the authors discuss the ongoing debate regarding what model of palliative care delivery is optimal, focus on the process of shared decision making during goals-of-care discussions, and briefly comment on transitions from intensive care to comfort care...
December 2016: Seminars in Neurology
https://www.readbyqxmd.com/read/27903717/deciphering-decision-making-variation-in-animal-models-of-effort-and-uncertainty-based-choice-reveals-distinct-neural-circuitries-underlying-core-cognitive-processes
#16
Catharine A Winstanley, Stan B Floresco
Maladaptive decision-making is increasingly recognized to play a significant role in numerous psychiatric disorders, such that therapeutics capable of ameliorating core impairments in judgment may be beneficial in a range of patient populations. The field of "decision neuroscience" is therefore in its ascendancy, with researchers from diverse fields bringing their expertise to bear on this complex and fascinating problem. In addition to the advances in neuroimaging and computational neuroscience that contribute enormously to this area, an increase in the complexity and sophistication of behavioral paradigms designed for nonhuman laboratory animals has also had a significant impact on researchers' ability to test the causal nature of hypotheses pertaining to the neural circuitry underlying the choice process...
November 30, 2016: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/27891018/legal-challenges-in-neurological-practice
#17
REVIEW
Sita Jayalakshmi, Sudhindra Vooturi
Clinical neuroscience has made tremendous advances over the last century. Neurology as a discipline is still considered challenging and at times risky due to the natural history and progressive course of few of the neurological diseases. Encouragingly, the patient and their caregivers are now increasingly willing to be actively involved in making decisions. The patients' relationship with the doctor is a reflection of the society. A society that is orienting itself toward "rating" and "feedback" has made this doctor-patient relationship, a consumer-service provider relationship...
October 2016: Annals of Indian Academy of Neurology
https://www.readbyqxmd.com/read/27875379/the-decision-neuroscience-perspective-on-suicidal-behavior-evidence-and-hypotheses
#18
Alexandre Y Dombrovski, Michael N Hallquist
PURPOSE OF REVIEW: Suicide attempts are usually regretted by people who survive them. Furthermore, addiction and gambling are over-represented among people who attempt or die by suicide, raising the question whether their decision-making is impaired. Advances in decision neuroscience have enabled us to investigate decision processes in suicidal people and to elucidate putative neural substrates of disadvantageous decision-making. RECENT FINDINGS: Early studies have linked attempted suicide to poor performance on gambling tasks...
January 2017: Current Opinion in Psychiatry
https://www.readbyqxmd.com/read/27873290/aims-and-structure-of-the-german-research-consortium-bipolife-for-the-study-of-bipolar-disorder
#19
REVIEW
Philipp S Ritter, Felix Bermpohl, Oliver Gruber, Martin Hautzinger, Andreas Jansen, Georg Juckel, Tilo Kircher, Martin Lambert, Christoph Mulert, Andrea Pfennig, Andreas Reif, Otto Rienhoff, Thomas G Schulze, Emanuel Severus, Thomas Stamm, Michael Bauer
BACKGROUND: Bipolar disorder is a severe and heterogeneous mental disorder. Despite great advances in neuroscience over the past decades, the precise causative mechanisms at the transmitter, cellular or network level have so far not been unraveled. As a result, individual treatment decisions cannot be tailor-made and the uncertain prognosis is based on clinical characteristics alone. Although a subpopulation of patients have an excellent response to pharmacological monotherapy, other subpopulations have been less well served by the medical system and therefore require more focused attention...
December 2016: International Journal of Bipolar Disorders
https://www.readbyqxmd.com/read/27864918/how-prior-preferences-determine-decision-making-frames-and-biases-in-the-human-brain
#20
Alizée Lopez-Persem, Philippe Domenech, Mathias Pessiglione
Understanding how option values are compared when making a choice is a key objective for decision neuroscience. In natural situations, agents may have a priori on their preferences that create default policies and shape the neural comparison process. We asked participants to make choices between items belonging to different categories (e.g., jazz vs. rock music). Behavioral data confirmed that the items taken from the preferred category were chosen more often and more rapidly, which qualified them as default options...
November 19, 2016: ELife
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