He said the family had "cried and begged for help" in meetings at home.
A quadtree does the same thing for two-dimensional space. It takes a rectangular region and divides it into four equal quadrants: northwest, northeast, southwest, southeast. If a quadrant has too many points in it, it subdivides again and again. Each subdivision creates smaller and smaller cells where points are densely packed.
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為了找出答案，我與兩位蘭卡斯特大學語言學習研究室（Language Learning Lab）的研究者合作：語言學與認知科學教授派屈克·雷布夏特（Patrick Rebuschat），以及心理系認知學教授 帕德瑞克·莫納漢(Padraic Monaghan)。他們讓我試做一項為反映真實世界語言學習情境而設計的實驗，並揭示我們的大腦如何接收、解讀新的單字與聲音。
How exactly horses produce that distinctive sound – also called a neigh – has long eluded scientists.