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Related publications (28)

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Stress during puberty boosts metabolic activation associated with fear-extinction learning in hippocampus, basal amygdala and cingulate cortex

Maria del Carmen Sandi Perez

Adolescence is characterized by major developmental changes that may render the individual vulnerable to stress and the development of psychopathologies in a sex-specific manner. Earlier we reported lower anxiety-like behavior and higher risk-taking and no ...

2012

A 7 tesla FMRI study of amygdala responses to fearful faces

Wietske Van der Zwaag, Nouchine Hadjikhani, Sandra Elisabete Monney

The amygdalae are involved in the perception of emotions such as happiness, anger and fear. Because of their proximity to the sinuses, the image signal intensity in T2* weighted fMRI data is often affected by signal loss due to through-slice dephasing, esp ...

2012

Role of the amygdala in antidepressant effects on hippocampal cell proliferation and survival and on depression-like behavior in the rat

Maria del Carmen Sandi Perez, Maria Isabel Cordero Campana, Guillaume Poirier, Jorge Eduardo Castro Cifuentes

The stimulation of adult hippocampal neurogenesis by antidepressants has been associated with multiple molecular pathways, but the potential influence exerted by other brain areas has received much less attention. The basolateral complex of the amygdala (B ...

Public Library of Science2010

Simulating interactions with virtual characters for the treatment of social phobia

Virtual Reality (VR) has nowadays become a very useful tool for therapists in the treatment of phobias. Indeed, it allows the simulation of scenarios which are difficult to reproduce in real life. It also allows for a situation to be repeated as much as on ...

EPFL2009

Fear conditioning enhances spontaneous AMPA receptor-mediated synaptic transmission in mouse hippocampal CA1 area

Maria del Carmen Sandi Perez

AMPA receptor-mediated synaptic modifications in the amygdala have been reported to sustain cued fear conditioning. However, the hippocampal formation is also critically involved in fear learning. Therefore, we examined whether fear conditioning is also ac ...

Wiley-Blackwell2009

EEG-MEG evidence for early differential repetition effects for fearful, happy and neutral faces

Nathalie George

To deter-mine how emotional information modulates subsequent traces for repeated stimuli, we combined simultaneous electro-encephalography (EEG) and magneto-encephalography (MEG) measures during long-lag incidental repetition of fearful, happy, and neutral ...

2009

Eye Contact as Trigger for Modification of Virtual Character Behavior

Daniel Thalmann

The increasing use of Virtual Reality in the treatment of phobias translates in a just as expanding need for realism in its scenes and characters. Virtual characters need to seem gifted with intelligence. A first step in achieving this is by giving them th ...

2008

Eye-tracking as Diagnosis and Assessment Tool for Social Phobia

Daniel Thalmann

In this study, we evaluate the usability of an eyetracking system as a diagnosis and assessment tool for visual avoidance behaviors in the context of social anxiety disorders. We conducted this study over five social phobic patients and five non phobic peo ...

2007