According to Ladd-Franklin, which of the following sequences accurately describes the evolution of vision?

a. Red–green sensitivity ? blue–yellow sensitivity ? achromatic vision
b. Achromatic vision ? red–green sensitivity ? blue–yellow sensitivity
c. Blue–yellow sensitivity ? achromatic vision ? red–green sensitivity
d. Achromatic vision ? blue–yellow sensitivity ? red–green sensitivity

d. Achromatic vision ? blue–yellow sensitivity ? red–green sensitivity

Psychology

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___________ personality disorder is a pervasive pattern of excessive emotionality and attention seeking.

A. Histrionic B. Borderline C. Obsessive-compulsive D. Antisocial

Psychology

According to the discussion of infants' memory,

a there is no evidence of long-term memory until infants are about 6 months of age. b. the major problem in studying infants' memory is that babies cannot accurately see visual stimuli until they are 3 to 4 months old. c. it is so difficult to measure infants' memory that we do not know much about the memory skills of young infants. d in the infants' brain, some parts concerned with memory are not fully developed.

Psychology