Developed by British psychologist John Bowlby and further expanded by Mary Ainsworth, attachment theory examines the impact of early relationships and bonds, particularly with primary caregivers ...

It features dual PCM5100 DACs and TPA3110 (2x15W @ 8- or 1x 30-W @ 4-) class D amplifiers for high sound quality and power efficiency. Key features of this module include support for both small and ...

Psychologist John Bowlby's work on attachment led to many advancements and understandings on how our interactions with our primary caregiver during our developmental years can predict elements of ...

Dr. De Costa places a microphone on the mother’s abdomen and connects the amplifier, not to a loudspeaker, which produces distracting noises, but to a specially-constructed neon lamp.

[Vik] sent in this simple little project. He purchased a $3 spy ear, a simple 3 transistor amplifier, and attached a stethoscope end. Little modification was necessary, mainly just scraping a bit ...