Nahal Heydari

ORCID: 0000-0001-8063-1248
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About
Contact & Profiles
Research Areas
  • Neurobiology of Language and Bilingualism
  • Epilepsy research and treatment
  • Language Development and Disorders
  • Hemispheric Asymmetry in Neuroscience
  • Spatial Cognition and Navigation
  • Human-Automation Interaction and Safety
  • Memory and Neural Mechanisms
  • Sleep and Wakefulness Research
  • Spatial Neglect and Hemispheric Dysfunction
  • Child and Animal Learning Development
  • Categorization, perception, and language
  • Autism Spectrum Disorder Research
  • Geographic Information Systems Studies
  • Neural and Behavioral Psychology Studies
  • Attachment and Relationship Dynamics
  • Mental Health Research Topics
  • Data Visualization and Analytics
  • Suicide and Self-Harm Studies
  • Bipolar Disorder and Treatment
  • Geography Education and Pedagogy

Columbia University
2021-2025

Columbia University Irving Medical Center
2020-2023

Islamic Azad University, Marvdasht
2020

University of California, Santa Barbara
2016

Sex differences in favor of males have been documented measures spatial perspective taking. In this research, we examined whether social factors (i.e., stereotype threat and the inclusion human figures tasks) account for these differences. Experiment 1, evaluated performance when perspective-taking tests were framed as measuring either or (empathetic) abilities. condition, tasks ability on which an advantage. modified contained empathy females Results showed a sex difference condition but...

10.1177/0956797616667459 article EN Psychological Science 2016-09-23

Uncertainty represented in visualizations is often ignored or misunderstood by the non-expert user. The National Hurricane Center displays hurricane forecasts using a track forecast cone, depicting expected of storm and uncertainty forecast. Our goal was to test whether different graphical containing would influence decision about characteristics. Participants viewed one five visualization types. Three varied currently used presented with no uncertainty, an ensemble multiple possible tracks....

10.1080/13875868.2015.1137577 article EN Spatial Cognition and Computation 2016-01-05

Naming difficulty is a common symptom of left (i.e., language dominant) hemisphere epilepsy. As such, in the presurgical evaluation for drug-resistant epilepsy, which aims to localize epileptogenic region, identification naming deficit typically implicates temporal region. However, well-established finding poor those with but not right nondominant) seizures monolingual patients unreliable bilingual adults despite proficiency tested. We aimed examine performance and its relation seizure...

10.1111/epi.18373 article EN Epilepsia 2025-03-24

Naming difficulty is a common symptom of multiple age-related neurodegenerative disorders. As naming increases with age, valid, up-to-date assessment tools are crucial for differentiating between neurotypical changes in healthy aging and pathological difficulty. We aimed to develop provide normative data complementary auditory description visual tests older adults. Furthermore, these measures would include not only untimed accuracy, typically the sole performance measure, but also additional...

10.1017/s1355617721000552 article EN Journal of the International Neuropsychological Society 2021-06-04

Historically, naming has been assessed with visual object naming; however, we have found that auditory description significantly enhances lateralization and localization of dysfunction. We previously published (ANT) complementary Visual Naming Tests (VNT) for young adults, recently developed these measures children (ages 6-15 years) older adults 56-100 years). Here, update the original stimuli more rigorously norm tests ages 16-55, addressing prior limitations.

10.1080/13854046.2023.2192421 article EN The Clinical Neuropsychologist 2023-04-10

"Development of a Word Paired-Associates Task for Longitudinal Assessment Memory Overnight." Multivariate Behavioral Research, ahead-of-print(ahead-of-print), pp. 1–2

10.1080/00273171.2022.2160949 article EN Multivariate Behavioral Research 2023-01-02

Objective: Word finding or “naming” difficulty is a symptom of multiple neurological disorders; therefore, naming assessment an integral component neuropsychological evaluation. Prior work has found weaker second-language in healthy proficient bilingual youth than monolingual youth, and similar findings have been shown adults with epilepsy. Considering the potential influences both early onset epilepsy bilingualism on brain development, we compared English second language (ESL) To assess...

10.1017/s1355617723001182 article EN Journal of the International Neuropsychological Society 2023-11-01
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