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Lecture 6

46-256 Lecture Notes - Lecture 6: Substantia Nigra, Periaqueductal Gray, Basal Ganglia


Department
Psychology
Course Code
PSYC 2560
Professor
Abeare
Lecture
6

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September 18, 2014
Intro to Brain and Behaviour
Structure of the Brain
Myelencephalon- medulla and origin of the reticular formation
Metencephalon
Cerebellum
Pons
Mesencephalon: Midbrain
Tectum
Superior Colliculi
Inferior Colliculi
Tegmentum
Rostral end of reticular formation
Periaqueductal gray matter
Red Nucleus
Substantia nigra
Ventral tegmental area
Diencephalon
Thalamus
Hypothalamus
Telencephalon
Cerebral Cortex
Basal Ganglia
Limbic System
Limbic system- regulation of motivated behaviours and memory
Mammillary bodies, hippocampus, amygdala, fornix, cingulate, septum
Important for memory
Sensitive to oxygen and blood deprivation
Basal Ganglia Motor System
Amygdala, striatum (caudate nucleus + putamen), globus pallidus
Cerebral Cortex
Convolutions increase cortical surface area
Longitudinal fissure – separates right and left cerebral hemispheres
Corpus Callosum – largest commisure (hemisphere-connecting trait)
Lobes of the Cortex
Frontal
Parietal
Temporal
Occipital
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