Edward B. Titchener defined perception âas a group of sensations to which meaning is added from past experiences.â In contemporary psychology, perception is commonly treated as an intervening variable dependent upon stimulus factor, earning sets, moods, and emotional and motivational conditions of the organism.
Piwakawaka or Fantail. The fantail or Piwakawaka is a small native forest bird with a small head and bill and a long tail which opens to a fan, giving the bird its name. It has a grey head, white eyebrow and white and black band under the chin on the upper chest.Its tail is black and white.The scientific name for fantail is Rhipidura fuliginosa. This well named bird has been able to adapt itself very satisfactorily to an environment that has changed over the centuries.t has a grey head, white eyebrow and white and black band under the chin on the upper chest. Its tail is black and white. The scientific name for fantail is Rhipidura fuliginosa. This well named bird has been able to adapt itself very satisfactorily to an environment that has changed over the centuries.
A piranha or piraÃ±a (/páµ»ËrÉËnjÉ/, /páµ»ËrÃ¦njÉ/, or /páµ»ËrÉËnÉ/; Portuguese: [piËÉ¾ÉÌÉ²É], Spanish: [piËÉ¾aÉ²a]) is a member of family Characidae in order Characiformes, an omnivorous freshwater fish that inhabits South American rivers. In Venezuela, they are called caribes. They are known for their sharp teeth and powerful jaws.