PSYC1110 Lecture Notes - Lecture 4: Scatter Plot, Central Nervous System, Encephalization
26 Sep 2016
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Examine changes i brain size and complexity over time compare to changes in cognitive abilities. There is no exact relationship btw brain size and intelligence. Brain size is generally correlated with body size. However, relative size of different brain regions (of certain parts) is informative (matters much) Species" intelligence tends to correlate with a number of (confounded) characteristics of the species" brain, including: # of cortical convolutions cortex, the amount of folding inside your brain generally predict how big your cortex(sight of higher functions) is size of cortex relative to central nervous system(cns) Brains are specialized for that species" behavioral ecology . Animal doesn"t interact much requires smaller brain: x axis body size y-brain weight scatter plot positive correlation btw brain weight and body weight. Elephant just passes the self-awareness test - scratching their front head when seeing on a mirror. 0. 71 is for all other species (0. 69 is for mammals mainly)
