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The brain of the domesticated cat is about five centimetres (2.0 in) long and weighs 25–30 g (0.88–1.06 oz). [1] [2] If a typical cat is taken to be 60 cm (24 in) long with a weight of 3.3 kg (7.3 lb), then the brain would be at 0.91% [3] of its total body mass, compared to 2.33% [3] of total body mass in the average human.
The Cattell–Horn–Carroll theory is an integration of two previously established theoretical models of intelligence: the theory of fluid and crystallized intelligence (Gf-Gc) (Cattell, 1941; Horn 1965), and Carroll's three-stratum theory (1993), a hierarchical, three-stratum model of intelligence. Due to substantial similarities between the ...
Results from this study suggest that current evidence for general intelligence is weak in non-human animals. [ 130 ] The general factor of intelligence, or g factor , is a psychometric construct that summarizes the correlations observed between an individual's scores on various measures of cognitive abilities .
Comparative psychology is the scientific study of the behavior and mental processes of non-human animals [clarification needed], especially as these relate to the phylogenetic history, adaptive significance, and development of behavior.
Child development involves the biological, psychological and emotional changes that occur in human beings between birth and the conclusion of adolescence. It is—particularly from birth to five years— a foundation for a prosperous and sustainable society .
The development of the human mind is complex and a debated subject, and may take place in a continuous or discontinuous fashion. [4] Continuous development, like the height of a child, is measurable and quantitative, while discontinuous development is qualitative, like hair or skin color, where those traits fall only under a few specific phenotypes. [5]
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Darwin also published his observations of the development of one of his own sons in 1877, noting the child's emotional, moral, and linguistic development. [ 9 ] Despite this early emphasis on developmental processes, theories of evolution and theories of development have long been viewed as separate, or even opposed to one another (for ...