Study terms for Chapter 7 – Gross neuroanatomy 2013.doc

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Neuroscience - CLA
NSCI 1051

STUDY TERMS FOR CHAPTER 7 – GROSS NEUROANATOMY  What it does, where it is, what happens when its broke Cerebral cortex: • Covers the surface of the brain, gray matter Frontal lobe • Complex problem solving • Posterior part of this lobe is the motor area Parietal lobe • Somatosensory area right behind central sulcus Temporal lobe Occipital lobe • Visual cortex is in the posterior part • Disorders here cause hallucinations • Destruction of whole lobe causes psychic darkness, blind and loses all concept of previous visual experience • Agnosia and specialized ones???? Lateral ventricle FROM ROSTRAL TO CAUDAL Forebrain Telencephalon: hemisphere seen from outside, initiates motor movement, pons then cerebellum to make it more precise Diencephalon: thalamus (dorsal), hypothalamus (ventral or below thalamus) Thalamus: • Major relay station, Interface between the cortex and the rest of the nervous system Hypothalamus: • Homeostasis (body temperature and hormones/endocrine system) Midbrain Mesencephalon: mid brain, reflexes Hindbrain Metencephalon: • Cerebellum: fist shape at base of brain, responsible for precise, skilled motor movement (and balance/posture) • Pons: bridge connecting cerebellum to the rest of the brain Mylencephalon: medulla oblongata, connected to spinal cord, all thinking/planning for movement is sent through the medulla to spinal cord to reach the muscles, everything is sent through this from body to brain and vice versa *Brain stem is (Mes, Met, Mye) that forebrain sits on* Hippocampus: • Learning and memory Basal ganglia: • Control of autonomic function • Links the thalamus with the motor cortex Amygdala • Adjacent to hippocampus • Processing emotions and fear-learning, responses to fear (fight or flight) MAJOR PATHWAYS  Corpus callosum: • Major band of white fibers that binds L&R hemispheres Anterior commissure • Links middle and inferior temporal gyri (connects temporal lobe) arcuate fasciculus internal capsule FUNCTIONAL DIVIS
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