Not exactly. 'Strike a chord' means 'to create a response or a reaction (emotional or otherwise); and to refer to or is relevant to. http://www.thefreedictionary.com/strike+a+chord The phrase here means that because we are constantly adjusting our view of the world, it makes us rethink about the world as we know it from the point of view of our own culture as well as who we are biologically within our culture.