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By >Josephine Lethbridge , The Conversation Human foetuses begin to hear sounds outside the womb at about 27 weeks. But whether foetuses can learn from these sounds in ways that shape speech perception and development during infancy has remained unclear. >New research from the University of Helsinki suggests that humans begin to distinguish between sounds…
Jena, Germany, 1924: Working in near-isolation and with painstaking tediousness, the psychiatrist Hans Berger observes rhythmic electrical activity from the scalp of human subjects. He is convinced the activity arises from within the brain and coins the term “electroencephalogram.” It is 10 years before the scientific community accepts Berger’s work, birthing the field of electroencephalography, or EEG for…