PSY 302 Chapter Notes - Chapter 3: Canadian Paediatric Society, Synaptic Pruning, Apgar Score
14 Apr 2016
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Review questions: explain the vicious cycle between fertility and stress. When you have diiculty conceiving, it causes stress and stress can actually lead to being less fertile: name the four possible sex chromosome disorders we discussed in class. Scale that measures appearance, pulse, grimace, activity and respiration. Above 7 is healthy (90% are 7 or above) Environment: includes the nurture aspect of your surroundings, other than genes. The interplay between genes and experience is very complex. Focus on terms: neuron (basic cells of n. s. , receive stimuli and travel to the c. n. s for interpretation, nervous system (central brain/spinal cord, peripheral, neurogenesis (creation of neurons, done by 18 weeks after conception) Birth: 100-200 billion neurons, relatively few neuron-neuron connections. During irst 2 years: billions of new connections established, become complex. The excess is unnecessary and in the way of other neurons being used: myelination. Fat tissues that covers the axon to speed up neurotransmission. Not born with it, it develops over time.
