Anxiety 1 Article 1 Bias 1 Caucasian 1 Conditioning, Classical 1 Extinction learning 1 Extinction, Psychological 1 Fear 1 Fear conditioning 1 Female 1 Galvanic Skin Response 1 Humans 1 Male 1 Moroccan 1 Racial bias 1 Retrieval 1 SECPT Stress hormones 1 acute stress 1 adult 1 anxiety 1 conditioned reflex 1 controlled study 1 diastolic blood pressure 1 electrodermal response 1 fear 1 female 1 human 1 hydrocortisone 1 hydrocortisone blood level 1