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Clarification of terminology: The DMM avoids older attachment terms such as secure vs insecure, attachment categories and measures, attachment disorders, disorganized attachment, internal working models, and top level terms such as avoidant and ambivalent. It uses terms such as pathways of development instead of developmental trajectories.
It applies to children between the age of 9 to 30 months. Broadly speaking, the attachment styles were (1) secure and (2) insecure (ambivalent and avoidance). Later, Mary Main and her husband Erik Hesse introduced the 4th category, disorganized. The procedure played an important role in the development of attachment theory.
Horizontal-only playback rigs are the most commonly deployed and most extensively researched Ambisonic speaker systems, because they constitute an economic next step after conventional stereo. They can reproduce full-sphere content, but elevated sources will be projected onto the horizontal plane, and sources at zenith and nadir will be ...
For example, Berklee Music Theory - Book 2 recommends the following accompaniment for a given lead sheet, [2] while this progression does not occur in common practice theory since all the chords are seventh chords and unprepared dissonant. Accompaniment acceptable in the Berklee method [2] but not in common practice theory. Play ⓘ
The simplest pitch space model is the real line. A fundamental frequency f is mapped to a real number p according to the equation = + (/) This creates a linear space in which octaves have size 12, semitones (the distance between adjacent keys on the piano keyboard) have size 1, and middle C is assigned the number 60, as it is in MIDI. 440 Hz is the standard frequency of 'concert A', which ...
Gordon music-learning theory is a model for music education based on Edwin Gordon's research on musical aptitude and achievement in the greater field of music learning theory. [1] [2] The theory is an explanation of music learning, based on audiation (see below) and students' individual musical differences. The theory takes into account the ...
Block diagram of the signal-flow for a common feedback loop [1]: 118 . Audio feedback (also known as acoustic feedback, simply as feedback) is a positive feedback situation that may occur when an acoustic path exists between an audio output (for example, a loudspeaker) and its audio input (for example, a microphone or guitar pickup).
Mary Main (1943 – January 6, 2023) was an American psychologist notable for her work in the field of attachment. A Professor at the University of California Berkeley, Main is particularly known for her introduction of the 'disorganized' infant attachment classification and for development of the Adult Attachment Interview and coding system for assessing states of mind regarding attachment.