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Nitzan Shahar

Explore the profile of Nitzan Shahar including associated specialties, affiliations and a list of published articles. Areas
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Articles 27
Citations 255
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Recent Articles
11.
Shahar N, Hauser T, Moran R, Moutoussis M, Bullmore E, Dolan R
Transl Psychiatry . 2021 Dec; 11(1):610. PMID: 34857737
No abstract available.
12.
Shahar N, Hauser T, Moran R, Moutoussis M, Bullmore E, Dolan R
Transl Psychiatry . 2021 Nov; 11(1):564. PMID: 34741013
Compulsive behavior is enacted under a belief that a specific act controls the likelihood of an undesired future event. Compulsive behaviors are widespread in the general population despite having no...
13.
Vaghi M, Moutoussis M, Vasa F, Kievit R, Hauser T, Vertes P, et al.
Proc Natl Acad Sci U S A . 2020 Sep; 117(41):25911-25922. PMID: 32989168
A characteristic of adaptive behavior is its goal-directed nature. An ability to act in a goal-directed manner is progressively refined during development, but this refinement can be impacted by the...
14.
Shahar N, Moran R, Hauser T, Kievit R, McNamee D, Moutoussis M, et al.
Proc Natl Acad Sci U S A . 2019 Jul; 116(32):15871-15876. PMID: 31320592
Model-free learning enables an agent to make better decisions based on prior experience while representing only minimal knowledge about an environment's structure. It is generally assumed that model-free state representations...
15.
Gordon S, Todder D, Deutsch I, Garbi D, Alkobi O, Shriki O, et al.
Psychol Res . 2019 May; 84(6):1586-1609. PMID: 31053887
Given the interest in improving executive functions, the present study examines a promising combination of two training techniques: neurofeedback training (NFT) and working memory training (WMT). NFT targeted increasing the...
16.
Shahar N, Hauser T, Moutoussis M, Moran R, Keramati M, Dolan R
PLoS Comput Biol . 2019 Feb; 15(2):e1006803. PMID: 30759077
A well-established notion in cognitive neuroscience proposes that multiple brain systems contribute to choice behaviour. These include: (1) a model-free system that uses values cached from the outcome history of...
17.
Pereg M, Shahar N, Meiran N
Psychol Res . 2018 Nov; 83(1):132-146. PMID: 30478608
Humans have the unique ability to efficiently execute instructions that were never practiced beforehand. In this Rapid Instructed-Task-Learning, not-yet-executed novel rules are presumably held in procedural working-memory (WM), which is...
18.
Shahar N, Pereg M, Teodorescu A, Moran R, Karmon-Presser A, Meiran N
Cognition . 2018 Sep; 181:151-159. PMID: 30212808
Working memory is strongly involved in human reasoning, abstract thinking and decision making. Past studies have shown that working memory training generalizes to untrained working memory tasks with similar structure...
19.
Moutoussis M, Shahar N, Hauser T, Dolan R
Comput Psychiatr . 2018 Aug; 2:50-73. PMID: 30090862
Learning-based therapies, such as cognitive-behavioral therapy, are used worldwide, and their efficacy is endorsed by health and research funding agencies. However, the mechanisms behind both their strengths and their weaknesses...
20.
Shahar N, Teodorescu A, Karmon-Presser A, Anholt G, Meiran N
Biol Psychiatry Cogn Neurosci Neuroimaging . 2018 Mar; 1(2):132-140. PMID: 29560873
Background: Patients with attention-deficit/hyperactivity disorder (ADHD) exhibit increased reaction time (RT) variability. This finding is consistent across various choice RT tasks and is considered a core ADHD phenotype, often interpreted...