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  2. MP4 file format - Wikipedia

    en.wikipedia.org/wiki/MP4_file_format

    The MP4 file format defined some extensions over the ISO Base Media File Format to support MPEG-4 visual/audio codecs and various MPEG-4 Systems features such as object descriptors and scene descriptions. Some of these extensions are also used by other formats based on the ISO base media file format (e.g., 3GP). [1]

  3. Lesch–Nyhan syndrome - Wikipedia

    en.wikipedia.org/wiki/Lesch–Nyhan_syndrome

    The self-injury begins with biting of the lips and tongue; as the disease progresses, affected individuals frequently develop finger biting and headbanging. [14] The self-injury can increase during times of stress. Self-harm is a distinguishing characteristic of the disease and is apparent in 85% of affected males. [15]

  4. Effects of stress on memory - Wikipedia

    en.wikipedia.org/wiki/Effects_of_stress_on_memory

    These stress hormones are also hindering the hippocampus from receiving enough energy by diverting glucose levels to surrounding muscles. [2] Stress affects many memory functions and cognitive functioning of the brain. [10] There are different levels of stress and the high levels can be intrinsic or extrinsic.

  5. Hierarchical Data Format - Wikipedia

    en.wikipedia.org/wiki/Hierarchical_Data_Format

    Hierarchical Data Format (HDF) is a set of file formats (HDF4, HDF5) designed to store and organize large amounts of data.Originally developed at the U.S. National Center for Supercomputing Applications, it is supported by The HDF Group, a non-profit corporation whose mission is to ensure continued development of HDF5 technologies and the continued accessibility of data stored in HDF.

  6. Obsessive–compulsive disorder - Wikipedia

    en.wikipedia.org/wiki/Obsessive–compulsive...

    In children, symptoms can be grouped into at least four types, including sporadic and tic-related OCD. [36] The Children's Yale–Brown Obsessive–Compulsive Scale (CY-BOCS) is the gold standard measure for assessment of pediatric OCD. [89] It follows the Y-BOCS format, but with a Symptom Checklist that is adapted for developmental ...

  7. High Efficiency Image File Format - Wikipedia

    en.wikipedia.org/wiki/High_Efficiency_Image_File...

    High Efficiency Image File Format (HEIF) is a container format for storing individual digital images and image sequences. The standard covers multimedia files that can also include other media streams, such as timed text , audio and video.

  8. Separation anxiety disorder - Wikipedia

    en.wikipedia.org/wiki/Separation_anxiety_disorder

    Separation anxiety disorder (SAD) is an anxiety disorder in which an individual experiences excessive anxiety regarding separation from home and/or from people to whom the individual has a strong emotional attachment (e.g., a parent, caregiver, significant other, or siblings). Separation anxiety is a natural part of the developmental process.

  9. Body-focused repetitive behavior - Wikipedia

    en.wikipedia.org/wiki/Body-focused_repetitive...

    The cause of BFRBs is unknown. [citation needed]Emotional variables may have a differential impact on the expression of BFRBs. [5]Research has suggested that the urge to repetitive self-injury is similar to a body-focused repetitive behavior but others have argued that for some the condition is more akin to a substance abuse disorder.