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Social-emotional agnosia. Social-emotional agnosia, also known as emotional agnosia or expressive agnosia, is the inability to perceive facial expressions, body language, and voice intonation. [1] A person with this disorder is unable to non-verbally perceive others' emotions in social situations, limiting normal social interactions.
In this condition, expressive gestures are rare and there is little animation in facial expression or vocal inflection. [1] Additionally, reduced affect can be symptomatic of autism, schizophrenia, depression, post-traumatic stress disorder, depersonalization derealization disorder, [2] [3] [4] schizoid personality disorder or brain damage. [5]
According to the DSM-5-TR (2022), in order to receive a diagnosis of autism spectrum disorder, one must present with "persistent deficits in social communication and social interaction" and "restricted, repetitive patterns of behavior, interests, or activities." [3] These behaviors must begin in early childhood and affect one's ability to ...
Frequency. One in 100 people (1%) worldwide [ 9 ][ 10 ] Autism, also called autism spectrum disorder[ a ] (ASD), is a neurodevelopmental disorder characterized by symptoms of deficient reciprocal social communication and the presence of restricted, repetitive, and inflexible patterns of behavior. Autism generally affects a person's ability to ...
Facial electromyography (fEMG) refers to an electromyography (EMG) technique that measures muscle activity by detecting and amplifying the tiny electrical impulses that are generated by muscle fibers when they contract. It primarily focuses on two major muscle groups in the face, the corrugator supercilii group which is associated with frowning ...
The first language of an infant is nonverbal facial expressions. The parent's emotional state is important for determining how any child might develop. Neglect or indifference to varying changes in a child's facial expressions without proper feedback can promote an invalidation of the facial expressions manifested by the child.
Facial perception is an individual's understanding and interpretation of the face. Here, perception implies the presence of consciousness and hence excludes automated facial recognition systems. Although facial recognition is found in other species, [1] this article focuses on facial perception in humans. The perception of facial features is an ...
Nonverbal learning disorder. Nonverbal learning disorder (NVLD or NLD) is a proposed category of neurodevelopmental disorder characterized by core deficits in non-verbal skills, especially visual-spatial processing. People with this condition have normal or advanced verbal intelligence and significantly lower nonverbal intelligence. [3]
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