Organization of Neural Structures Involved in the Control of Movement

Slides:



Advertisements
Similar presentations
More on the Cerebrum. More on the Cerebrum: Cortex is grey matter, below cortex is white matter, deep inside is grey matter. (basal ganglion/nuclei) Highly.
Advertisements

Slide 1 Neuroscience: Exploring the Brain, 3rd Ed, Bear, Connors, and Paradiso Copyright © 2007 Lippincott Williams & Wilkins Bear: Neuroscience: Exploring.
The Autonomic Nervous System
Review: General Control Theory
Cortically OriginatedMovement Cortically Originated Movement I. Motor Tract (corticospinal tractus) Extrapyramidal System (basal ganglia) Cerebellum Praxis.
Fundamentals of Human Neuropsychology
BASAL NUCLEI (Basal Ganglia).
The Basal Ganglia Maryann Martone, Ph. D. NEU257 2/22/2011.
Basal Ganglia and Motor Control L21
Motor System. Why is the Motor System Important? All observable behavior is directly related to activity in the motor system. Without the motor system,
Control of movement Four subsystems: Lower motor system- Grey matter of spinal cord and brainstem-contain lower motor neurons and lower circuit neurons-the.
Neural Control of Muscle. Quick Review: Spinal Cord Flexors Extensors.
The basic organization of the nervous system. The divisions of the nervous system The nervous system is composed of central nervous system the brain spinal.
CHAPTER V Movement disorders Part I: Anatomy and physiology of motor system.
Basal Ganglia Part of the motor system: control of voluntary movement Caudate Nucleus Putamen Globus Pallidus Input to caudate and putamen from: Cerebral.
The Basal Ganglia.
Cortical vs. subcortical loops. Lateral inhibition in striatum.
DESCENDING TRACTS. Fiber Types A Fibers: A Fibers: Somatic, myelinated. Alpha (α): Largest, also referred to as Type I. Beta (β): Also referred to as.
The Basal Ganglia. I.Functional anatomy A. Input and output components cerebral cortex  BG  thalamus (VA)  frontal lobe. B. Parallel circuits C. Neurotransmitters.
Neuroscience 1 Pause for thought: Probably 100 million neurones fire during skilled movements.
Michael S. Beauchamp, Ph.D. Assistant Professor Department of Neurobiology and Anatomy University of Texas Health Science Center at Houston Houston, TX.
PhD MD MBBS Faculty of Medicine Al Maarefa Colleges of Science & Technology Faculty of Medicine Al Maarefa Colleges of Science & Technology Lecture – 9:
Basal Ganglia.
Regions of the Brain  Cerebral hemispheres  Diencephalon  Brain stem  Cerebellum.
Author(s): Peter Hitchcock, PH.D., 2009 License: Unless otherwise noted, this material is made available under the terms of the Creative Commons Attribution–Non-commercial–Share.
BASAL GANGLIA Basal ganglia are subcorticle nuclei of grey matter located in the interior part of cerebrum near about base 3.
Brain Motor Control Lesson 20. Hierarchical Control of Movement n Association cortices & Basal Ganglia l strategy : goals & planning l based on integration.
The Autonomic Nervous System Fawzia Al-Rouq Department of Physiology College of Medicine King Saud University BASAL GANGLIA.
The Role of the Basal Ganglia in Habit Formation Week 10 Group 1 Amanda Ayoub Kindra Akridge Barbara Kim Alyona Koneva.
PHYSIOLOGY OF BASAL GANGLIA AND REGULATORY MECHANISMS Dr Syed Shahid Habib MBBS DSDM FCPS Professor Dept. of Physiology King Saud University.
Unit Eleven: The Nervous System: C
Basal Ganglia Principles of neural sciences 5 th ed. The human brain: an introduction to its functional anatomy 6 th ed. 林 永 煬 國立陽明大學 腦科學研究所.
Figure 18.1 Motor components of the human basal ganglia.
Dr. Mujahid Khan. Divisions  Midbrain is formally divided into dorsal and ventral parts at the level of cerebral aqueduct  The dorsal portion is known.
Gross Anatomy and CNS Organization; Neuroimaging Techniques March 31, 2011.
1 Psychology 304: Brain and Behaviour Lecture 9. 2 The Structure and Cells of the Nervous System 3. What is the structure of the neuron? 1.What are the.
STRUCTURE AND CIRCUITS OF THE BASAL GANGLIA Rastislav Druga Inst. of Anatomy, 2nd Medical Faculty.
Basal Ganglia—Their Motor Functions 1- Receives from brain and back to it again 2- Function of the Basal Ganglia— The Putamen Circuit: 3- Abnormal Function.
Brain Mechanisms of Movement Lecture 19. Hierarchical Control of Movement n Association cortices & Basal Ganglia l strategy : goals & planning l based.
Basal ganglia D.Nimer D.Rania Gabr D.Safaa D.Elsherbiny.
CONTROL CIRCUITS Integrate and control the activities of the structures and pathways involved in motor performance Key point: Neither the basal ganglia.
Direct motor pathway Corticospinal pathway. Motor Units – Large Versus Small Text Fig
Cuneacerebellar Rostrocerebellar Reticolocerebellar Rubrocerebellar Input pathways to the cerebellum.
Control of Posture and Movement- Part-IV Role of Basal Ganglia.
Direct motor pathway Corticospinal pathway.
Department of Neuroscience
BASAL GANGLIA AND CONTROL OF MOTOR FUNCTIONS
Zhejiang University Ling Shucai
THE BASAL GANGLIA: Neuroanatomy
Central Nervous System Anatomy
Functional organization of the primary motor cortex Premotor cortex
How Do We Know How the Brain Works?: 6 Essential Pathways
Organization and Subdivisions of the Cerebellum
Subcortical Neuroanatomy
Basal ganglia movement modulation
Organization of Neural Structures Involved in the Control of Movement
The Motor System Chapter 8.
Basal ganglia function
Central Nervous System Anatomy
Ch. 15: Lower Motor Neuron Circuits and Motor Control
Insights into the Neural and Genetic Basis of Vocal Communication
From Anatomy to Electrophysiology: Clinical Lasker Goes Deep
Brain Stem Motor Function
FOXP2 and Human Cognition
Basal Ganglia April 28, 2019 basal ganglia.
FUNCTIONS OF THE BASAL NUCLEI FUNCTIONS OF THE BASAL NUCLEI assist in the regulation of voluntary movement & the learning of motor skills initiate movement.
Basal ganglia: New therapeutic approaches to Parkinson's disease
Anatomy of the basal ganglia
Physiology Of Basal Ganglia & Regulatory Mechanism
BASAL NUCLEI. BASAL NUCLEI Basal Ganglia Functions Compare proprioceptive information and movement commands. Sequence movements. Regulate muscle tone.
Presentation transcript:

Organization of Neural Structures Involved in the Control of Movement

Motor Components of the Human Basal Ganglia

Motor Components of the Human Basal Ganglia

Anatomical Organization of the Inputs to the Basal Ganglia

Regions of the Cerebral Cortex Project to the Caudate, Putamen and Ventral Striatum

Neurons and Circuits of the Basal Ganglia

Functional Organization of the Outputs from the Basal Ganglia

Chain of Nerve Cells Arranged in a Disinhibitory Circuit

Disinhibition of Eye Movements

Disinhibition in Direct and Indirect Pathways Through the Basal Ganglia

Disinhibition in Direct and Indirect Pathways Through the Basal Ganglia

Center-Surround Functions

Parkinson’s & Huntington’s

Hypokinetic Disorders

Deep Brain Stimulation

Hyperkinetic Disorders

Non-Motor Function of Basal Ganglia