Cortical vs. subcortical loops. Lateral inhibition in striatum.

Slides:

Advertisements

Similar presentations

Part 1: Definitions, brain basis Isabelle Rapin

Advertisements

Why do we move our eyes? - Image stabilization

University of Jordan1 Cortical Control of Motor Function- L18 Faisal I. Mohammed, MD, PhD.

Chapter 30 The Basal Ganglia Copyright © 2014 Elsevier Inc. All rights reserved.

The Human Brain.

Charles Pierrot-Deseilligny Dan Milea René M. Müri Eun H. Kim February 21, 2008 Eye Movement Control by the Cerebral Cortex.

1 Brain Circuits Involved in Emotion processing: Subcortical Regions BIOS E 232 Sabina Berretta, MD Harvard Medical School McLean Hospital.

5. Major Brain Structures from the Bottom-Up

BASAL NUCLEI (Basal Ganglia).

The Basal Ganglia Maryann Martone, Ph. D. NEU257 2/22/2011.

Copyright © 2006 by Allyn and Bacon Chapter 8 The Sensorimotor System How You Do What You Do This multimedia product and its contents are protected under.

Chapter 4 Anatomy of the Nervous System. Structure of the Vertebrate Nervous System Terms used to describe location when referring to the nervous system.

BASAL GANGLIA Prof. Ashraf Husain Basal Ganglia Structure. Functions. Metabolic features. Connections. Disorders.

Brain Control of Movement. Motor Control Hierarchy  High level – plans and executes strategy Association areas of cortex Basal ganglia gives the “go”

Frontal Cortex. Frontal Lobes Traditionally considered to be the seat of intelligence. This is probably because: –The frontal cortex is the most recent.

1 Chapter 6 Diencephalon Chris Rorden University of South Carolina Arnold School of Public Health Department of Communication Sciences and Disorders University.

C2004 Alcohol Medical Scholars Program1 Craving Karen Drexler, M.D. Emory University School of Medicine.

The Basal Ganglia.

Anthony Correa Stephanie Regan Kasha Geels

Brain Internal Structure Dr. Nimir Dr. Safaa Objectives Describe the types of fibers in the internal capsule. Identify the basal ganglia nuclei. Identify.

The Basal Ganglia. I.Functional anatomy A. Input and output components cerebral cortex  BG  thalamus (VA)  frontal lobe. B. Parallel circuits C. Neurotransmitters.

Basal Ganglia and Thalamic Connections Bruce Crosson, Ph.D.

Sensorimotor systems Chapters 8.

Background The physiology of the cerebral cortex is organized in hierarchical manner. The prefrontal cortex (PFC) constitutes the highest level of the.

Central nervous system (CNS) Brain + Spinal Cord

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.

08a Start of Motor Systems: Indirect tracts basal ganglia feedback loop, cerebellar feedback loop (Associated with material in Chapters 13, 14, and a bit.

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.

Saccadic Eye Movements: A New Diagnostic Tool for FASD Research James N. Reynolds Department of Pharmacology & Toxicology, Centre for Neuroscience Studies,

Thalamus & Cerebral Cortex Avinash Bharadwaj ANHB 2217 – 2006.

Arousal, Sleep, Attention and Selective Engagement Stephen E. Nadeau, M.D.

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.

Medical Neuroscience Dr. Wiegand

Human Anatomy & Physiology FIFTH EDITION Elaine N. Marieb PowerPoint ® Lecture Slide Presentation by Vince Austin Copyright © 2003 Pearson Education, Inc.

Figure 18.1 Motor components of the human basal ganglia.

Anatomy of the Central Nervous System Lesson 5. Functional Anatomy: CNS n Major Divisions l Forebrain, Midbrain, Hindbrain l Know structure *name, location.

1 Prof. Saeed Abuel Makarem & Dr.Sanaa Alshaarawy.

IV. Thalamic Afferent/Efferent Connections A.Sensory Thalamus – Somatosensory & gustatory VPM Afferent – Trigeminothalamic fibers (pain, temperature, touch.

Basal Ganglia CD-ROM: Case II, The Shaky Carpenter

STRUCTURE AND CIRCUITS OF THE BASAL GANGLIA Rastislav Druga Inst. of Anatomy, 2nd Medical Faculty.

Neuroanatomy. Brain Organization Spinal Cord Anatomy Dorsal Ventral Dorsal Horn: Sensory information in Ventral Horn: Motor information out.

Group 2 Youngjin Kang Anthony Correa Stephanie Regan.

Brain Mechanisms of Movement Lecture 19. Hierarchical Control of Movement n Association cortices & Basal Ganglia l strategy : goals & planning l based.

2015 Best Practices in Social Studies Institute

Cortical Control of Movement

Basal Ganglia Dr. G.R. Leichnetz.

Department of Neuroscience

Frontal associational cortex

Organization of Neural Structures Involved in the Control of Movement

Zhejiang University Ling Shucai

THE BASAL GANGLIA: Neuroanatomy

Central Nervous System Anatomy

Subcortical Neuroanatomy

Basal ganglia movement modulation

Organization of Neural Structures Involved in the Control of Movement

Thalamus Domina Petric, MD

Central Nervous System Anatomy

BASAL GANGLIA Dr JAMILA EL MEDANY.

Deep Brain Stimulation for Neurologic and Neuropsychiatric Disorders

Anatomy of the Central Nervous System

THE EMOTION AND MEMORY COMPONENTS OF THE LIMBIC SYSTEM

Basal ganglia: New therapeutic approaches to Parkinson's disease

Anatomy of the basal ganglia

BASAL NUCLEI. BASAL NUCLEI Basal Ganglia Functions Compare proprioceptive information and movement commands. Sequence movements. Regulate muscle tone.

STN and the tripartite model.

Associational cortex introduction

Presentation transcript:

Cortical vs. subcortical loops

Lateral inhibition in striatum

Switching from one action to another

Direct and indirect pathways

Hyperdirect pathway

Lesions that cause hemiballism

Direct pathway

Indirect pathways

Loops through the basal ganglia Circuit nameBasal ganglia regions: Connected with:Functions to control: SkeletomotorPutamen; GPi, and SNpr VL/VA; motor cortex, prefrontal cortex Actions OculomotorBody of the caudate, SNpr Intralaminar nuclei, MD, VA; frontal and parietal eye fields; superior colliculus Gaze and orienting movements Dorsolateral prefrontal Head of the caudate, GPi and SNpr VA, VL and MD;Executive function, strategic planning OrbitofrontalCaudate, SNpr, ventral pallidum MD; orbitofrontal cortexMotivation, ability to play well with others Anterior cingulate aka limbic Ventral striatum, ventral pallidum MD; anterior cingulumEmotionality, motivated behavior