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allosum The Brain and Reflex Behaviour ● Building the Brain ● Cerebral hemisphere ●Occipital lobe ●Parietal lobe ●Temporal lobe ●Frontal lobe ● Cerebral cortex ●Regions govern vision, hearing, and other sensory information The Brain and Reflex Behaviour ● Parts of the Brain, side view. The Brain and Reflex Behaviour ● Building the Brain ● Brain cells ●Neurons ●Axons ●Dendrites ●Synapses ●Neurotransmitters ●Glia cells The Brain and Reflex Behaviour The Brain and Reflex Behaviour ● Building the Brain ● As neurons multiply, migrate, and develop connections. they undergo ●Integration ●Differentiation ●Cell death The Brain and Reflex Behaviour Myelination ● Myelin, a fatty insulating substance, begins about halfway through gestation in some parts of the brain and continues into adulthood in others The Brain and Reflex Behaviour ● Growth of Neural connections during the first 2 years of life. ● There is an increase in brain density and weight。 due to the formation of dendrites, extensions of nerve cell bodies and the synapses that link them. The Brain and Reflex Behaviour ● Early Reflexes ● Automatic, innate responses to stimulation ●Primitive ●Sucking, rooting, and Moro ●Postural ●Lootor ●Walking, swimming The Brain and Reflex Behaviour ● Wiring the Brain! ● Development of neural connections before and after birth. The Brain and Reflex Behaviour ● Molding the Brain: The Role of Experience ● Plasticity ● Formative period vulnerability ●Hazardous drugs ●Environmental tox