Jaymie Ticknor Developmental Psychology 3620 Sect 853 23 September 2013 Brain and Body Development Basic structure and functions of brain areas Lecture 10 Chapter 6 Powerpoint Cerebrum cortex largest Frontal processes complex thoughts movement language working memory and self control Parietal processes sensory input and spatial awareness Temporal involved in hearing language memory for facts visual memory and emotion Occipital lobe processes visual information other Prefrontal Cortex Amygdala emotions and Hippocampus memory Cerebellum small mini brain controls balance coordination and movement Brain Stem includes the spinal cord which controls our basic automatic functions such as breathing heartbeat and blinking Corpus Callosum the bridge connect nonsymmetrical right and left hemispheres All collaborate together coordinate Men s left hemisphere logic thinking and processing more developed right hemisphere creativity art and emotions less developed compared to women s hemispheres because women have a better developed and thicker corpus callosum on average Plasticity adaptability flexibility of our brain Brain Development 100 billion neurons in the brain Neurons cell body axons usually 1 dendrites many 5 to 7 thousand each neuron could be connected to up to 15 000 others get smarter as you get older myelin sheath Synapse and synaptogenesis Myelination Synapse Synaptogenesis axons connect to dendrites at the synapse or synaptic connection At birth about 2 500 synapses per neuron by age 2 3 about 15 000 synapses per neuron 1 quadrillion synaptic connections in adults
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