How does the human brain memorize a sound?

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1. How We Know A Dog Is A Dog: Concept Acquisition In The Human Brain
   A new study explores how our brains synthesize concepts that allow us to organize and comprehend the world. The research uses behavioral and neuroimaging techniques to track how conceptual knowledge emerges in the human brain and guides decision making.
2. How brain hears the sound of silence: Separate brain pathways process the start and end of what we hear
   Researchers have isolated an independent processing channel of synapses inside the brain's auditory cortex that deals specifically with shutting off sound processing at appropriate times. Such regulation is vital for hearing and for understanding speech.
3. How Brain Remembers Single Events
   Single events account for many of our most vivid memories -- a marriage proposal, a wedding toast, a baby's birth. Until a recent discovery, however, scientists knew little about what happens inside the brain that allows you to remember such events.
4. The Human Brain Is On The Edge Of Chaos
   Researchers have provide new evidence that the human brain lives "on the edge of chaos," at a critical transition point between randomness and order. The study provides experimental data on an idea previously fraught with theoretical speculation.
5. Autism Skews Developing Brain With Synchronous Motion And Sound
   Individuals with autism spectrum disorders tend to stare at people's mouths rather than their eyes. Now, a study in 2-year-olds with the social deficit disorder suggests why they might find mouths so attractive: lip-sync -- the exact match of lip motion and speech sound. Such audiovisual synchrony preoccupied toddlers who have autism, while their unaffected peers focused on socially meaningful mo