Have you ever encountered an image that seems to change before your eyes? The duck-rabbit illusion is precisely that: a visual enigma that invites us to reflect on the nature of perception. In this video, we’ll further explore this fascinating optical illusion and its profound impact on philosophy, particularly on the thought of Ludwig Wittgenstein.
Since its first appearance in the 19th century in a German humor magazine, this ambiguous image has captivated the attention of psychologists and philosophers alike. We’ll discover how psychologist Joseph Jastrow used it to illustrate the active participation of our mind in interpreting what we see, and how Wittgenstein adopted it as a tool to examine the complexity of perception and language.
We’ll delve into the concepts of “seeing that” and “seeing as,” exploring how our perception is not simply a passive reflection of reality, but an active construction influenced by our experiences and prior knowledge. We’ll also discuss the idea of ”appearance blindness” and how our ways of seeing the world can limit us from understanding other perspectives.
Finally, we’ll analyze how the duck-rabbit illusion fits within Wittgenstein’s theory of “language games” and its relevance to fields such as psychology and perceptual science.
Get ready for a fascinating journey through philosophy, psychology, and the mysteries of the human mind.
The Celts were the dominant culture in England for many centuries from about 900 BC until 43 AD but who were there before them. Who built Stonehenge and the other Neolithic sites in Britain? And how did the Celts influence the English language. New research and DNA evidence tells us more than we knew even a few years ago. The answer is that they had a massive influence on English. In this video we see how.
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00:00 Who were the native Britons?
00:52 A word about sources
01:13 Pre-Celtic history of Britain
02:05 The first inhabitants
03:05 Mesolithic period
03:39 The Neolithic period
05:26 The Bell Beakers
07:47 The Celts arrive
09:16 The Roman Rule
11:42 The Anglo-Saxons and the Celts
13:56 Celtic vocabulary in English
21:09 The “meaningless DO”
26:38 1000 years to adopt DO. Why?
27:37 The present continuous