L37 2009 Learning and memory - Learning & memory...

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1 Learning & memory Lecture 37 November 23, 2009 Vertebrate Brain Concepts & terms antagonist muscle autonomic nervous system brain size vs. body size ratio brainstem Broca’s area central nervous system (cns) cephalization cerebellum cerebrum cerebral cortex cholinergic computerized tomography contralateral corpus callosum cortical map cranial nerves dorsal horn excitatory synapse fight or flight frontal lobe frontal association area grey matter gyrus homunculus inhibitory synapse ipsilateral lateralization medulla oblongata motor cortex neocortex nerve net noradrenergic occipital lobe parasympathetic division parietal lobe peripheral nervous system (pns) PET scan pons rest and digest reflex loop sensory map somatic nervous system somatosensory cortex spinal cord sulcus sympathetic division temporal lobe thalamus ventral horn Wernike’s area white matter What is learning ? What’s not learning ? a behavioral change resulting from experience fatigue pathological conditions aging adaptation - receptors facilitation - presynaptic Where we’re going 1. Types of learning 2. Neural mechanisms of sensitization 3. Classical conditioning 4. Spatial learning 5. Neural correlates of spatial learning Types of learning: Non-associative learning habituation – decreased response probability with repeated stimulation sensitization – increase in response with pairing of two stimuli Associative learning – stimulus is associated with reward (or punishment) imprinting Pavlovian conditioning (food aversion learning) insight learning – aha! No trial and error latent learning – often spatial learning
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2 gill withdrawn gill expanded habituation dishabituation or sensitization Non-associative learning in the sea slug Aplysia Stimulate tail nerve
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L37 2009 Learning and memory - Learning & memory...

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