Dementia Dementia is a deterioration of intellect, memory and personality to results from diseases and the brain the brain symptoms include forgetfulness, language disorders and emotional blunting dementia in Sweden usual, always so, as we get older. It is estimated that about 7 percent of the Swedish population aged over 65 and just over 20 percent of the heavy over-80s have dementia. Further ReadingWhat are pimples ? What causes pimples?. People with mild cognitive impairment can think through a reduction in their ability, such as reduced memory and a short attention span can be affected.Evolutionary psychologist Geoffrey Miller on of University of New Mexico proposed that to human creativity, storytelling, fantasy and morality , all developed as forms of courtship behavior. He used insights from Southern California tourism industry of argument bolster his argument. The factory offers an explanation for why the human brain is is so much greater relative to body size than others anthropoid apes – sexual selection in show more intellect. Interestingly, Miller was on the mind as ‘amusement park’.