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Nouchine Hadjikhani

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Migraine Aura: Retracting Particle-Like Waves in Weakly Susceptible Cortex

Nouchine Hadjikhani

Cortical spreading depression (SD) has been suggested to underlie migraine aura. Despite a precise match in speed, the spatio-temporal patterns of SD observed in animal cortex and aura symptoms mapped to the cortical surface ordinarily differ in aspects of ...

2009

Early (M170) activation of face-specific cortex by face-like objects

Nouchine Hadjikhani

The tendency to perceive faces in random patterns exhibiting configural properties of faces is an example of pareidolia. Perception of 'real' faces has been associated with a cortical response signal arising at approximately 170 ms after stimulus onset, bu ...

Lippincott, Williams & Wilkins2009

fMRI activation during a language task in adolescents with ASD

Nouchine Hadjikhani

Autism spectrum disorder (ASD) is a neurodevelopmental disorder characterized by language and communication impairments, social impairments, and repetitive behaviors or restricted interests. Previous Studies of semantic functions have found differences in ...

Cambridge University Press2008

Early Category-Specific Cortical Activation Revealed by Visual Stimulus Inversion

Nouchine Hadjikhani

Visual categorization may already start within the first 100-ms after stimulus onset, in contrast with the long-held view that during this early stage all complex stimuli are processed equally and that category-specific cortical activation occurs only at l ...

Public Library of Science2008

Is migraine a lateralization defect?

Nouchine Hadjikhani

Migraine often co-occurs with patent foramen ovale (PFO), and some people have suggested surgical closure as an efficient treatment for migraine. Prospective studies, however, do not report radical effect of PFO surgery on migraine. Here, we examined the h ...

Lippincott, Williams & Wilkins2008

Pointing with the eyes: The role of gaze in communicating danger

Nouchine Hadjikhani

Facial expression and direction of gaze are two important sources of social information, and what message each conveys may ultimately depend on how the respective information interacts in the eye of the perceiver. Direct gaze signals an interaction with th ...

Elsevier2008