Kinesiology Exam: Sessions 12-21

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Questions and Answers

Match each executive function with its description:

Inhibitory control = The ability to control one's attention, behavior, thoughts, and/or emotions to override a strong internal predisposition or external lure. Working memory = A limited capacity system that operates to temporally store and use recently presented information. Cognitive flexibility = The ability to adapt flexibly to our constantly changing environment. Reasoning = The ability to reach logical conclusions based on prior information.

Match the memory system with its primary function:

Short-term memory = Temporarily stores information without manipulation. Long-term memory: = A more permanent storage repository of information. Semantic memory = Stores general knowledge about the world based upon experiences. Episodic memory = Stores knowledge about personally experienced events, along with their temporal associations.

Match each type of knowledge with its description:

Declarative knowledge = Knowledge about what to do in a situation that is verbalizable. Procedural knowledge = Knowledge that enables one to actually perform a skill, typically not verbalizable or difficult to verbalize. Encoding = Transforming to-be-remembered information into a form that can be stored in memory. Retrieval = Process of searching through long-term memory for information needed for present use.

Match each motor pathway with its primary function:

<p>Corticospinal tract = Voluntary skilled action, particularly fine motor control of the digits and hand. Rubrospinal tract = Alternative path for voluntary motor drive. Reticulospinal tract = Control of motor functions, regulation of reflex sensitivity, and activation of central pattern generators. Vestibulospinal tract = Postural adjustments, head movements, and eye movements via the vestibulo-ocular reflex (VOR).</p> Signup and view all the answers

Match each aspect of attention with the definition:

<p>Attention = Characteristics associated with consciousness, awareness, and cognitive effort as they relate to the performance of a skill. Attentional Focus = Directing attention to specific aspects of our performance or performance environment. Top-down Attention = An internally induced process in which information is actively sought out in the environment based on voluntarily chosen factors. Bottom-up Attention = An externally induced process in which information to be processed is selected automatically because of highly noticeable features of stimuli.</p> Signup and view all the answers

Match each role with an overview of the process:

<p>Motor Planning = Involves various brain regions, including the PFC, SMA, and LPMC, modulated by the Basal Ganglia and the Cerebellum, to select appropriate motor plans. Motor Programming = Involves the premotor (e.g., SMA, LPMC) and primary motor areas, modulated by the Basal Ganglia and the Cerebellum, to implement the movement plan. Schema Theory = A rule or set of rules that serve to provide the basis for a decision; an abstract representation of rules governing movement. Generalized Motor Program (GMP) = A stored pattern for movement that applies to a wide range of movements within the same general category.</p> Signup and view all the answers

Match the brain area with its main function:

<p>Prefrontal Cortex (PFC) = Involved in information processing with a high level of integration and executive functions. Premotor Cortex (PMC) = Involved in eliciting complex movements, specifying motion features, and receiving inputs from the Basal Ganglia and the Cerebellum. Primary Motor Cortex (area 4) = Controls a group of muscles to move an entire segment towards an objective and encodes the movement direction and force. Basal Ganglia = Involved in the choice of motor plans, activates, retrieves, and initiates movement plans, and scales movement parameters.</p> Signup and view all the answers

Match the cerebellum region with its associated function:

<p>Spinocerebellum = Muscle tone and ongoing execution of movement. Cerebrocerebellum = Coordination of skilled movements and motor planning. Vestibulocerebellum = Balance and eye movements Cerebellum Inputs = Serves as a multisensorial integrator (visual, auditory, proprioceptive, vestibular information).</p> Signup and view all the answers

Match each type of practice distribution with its characteristics:

<p>Massed Practice = Rest between trials and/or sessions are very short. Distributed Practice = Rest between trials and/or sessions are relatively long. Blocked practice = A practice sequence in which all trials of a given task component are completed before moving on to the next task component. Random Practice = A practice sequence in which two or ore task components are intermixed across the practice trials.</p> Signup and view all the answers

Match each stage of learning with its focus:

<p>Cognitive Stage = Learner encounters cognitive problems, and must integrate information. Associative Stage = Learner makes associations between environmental cues and movements. Autonomous Stage = Learner performs skill in habitual or automatic manner. Diversification = Learner must diversify the basic movement pattern, be tuned to the regulatory conditions.</p> Signup and view all the answers

Match the term to its definition:

<p>Open-loop control = A system of control in which, during the course of an action, sensory information related to the effects of motor commands does not affect future motor commands. Closed-loop control = System of control in which information does have an impact on future commands. Motor Program = A pre-structured set of motor commands selected by the CNS and sent to the peripheral nervous system. Motor Learning = Changes in the capability of a person to perform a skill, inferred from a relatively permanent improvement in performance as a result of practice.</p> Signup and view all the answers

Match the component with its characteristics:

<p>Invariant Features = Unique set of GMP characteristics that does not vary from one performance to another. (ex. relative time, relative force) Parameters = Features of the GMP that can be varied from one performance of a skill to meet changes in total time, total force, movement amplitude. Adaptation = Change in performance allowing to regain former motor repertoire in altered circumstances. Explicit learning = Learning generated by verbal knowledge of movement performance.</p> Signup and view all the answers

Match the concept to its definition:

<p>Fractionizing = Practice parts separately; when each part is learned, put together with the other parts. Segmentation = Practice part A, then B, then AB, then C, then ABC; a type of chaining to learn the skill. Simplification = Whole practice with reduced difficulty in the entire skill. Mental practice = The cognitive rehearsal of a physical skill in the absence of overt physical movement.</p> Signup and view all the answers

Match the practice methods to characteristics:

<p>Retention Test = Measures person's ability to perform tasks after a no-practice retention interval. Transfer Test = Tests performance in a situation different from the practice context. Positive transfer = Previous practice in one skill assists learning of a new skill. Negative Transfer = Previous practice in a one skill hinders learning new skill.</p> Signup and view all the answers

Match the statement involving motor skills with the possible issue:

<p>Not wise to infer learning from practice = Practice data may have no evidence for semi-permanent changes in behavior. Performance may plateau during practice = There's a lack of permanent changes that may temporary. Performance may over-or-under estimate learning = Susceptibility to overestimate changes during actions. Perception &amp; Action Coupling = May become problematic if the same perceptual situation requires a different movement than what was learned.</p> Signup and view all the answers

Match what happens in specific areas with the action caused by that process:

<p>Muscle tone &amp; ongoing execution of movement = Spinocerebullum. Coordination of Skilled Movements and motor function planning = Cerebrocerebullum. Balance &amp; eye movement = Vestibulocerebullum Complex motor movements = Area in the lateral part of hemisphere.</p> Signup and view all the answers

Match each area with the function it produces:

<p>Motor skills = Emphasis learning and performance. Skill retention = Skill is stable and consistent. The use of feedback in the same movement skill = Results of practice and learning . Actions &amp; goals of tasks = To apply what tasks and skills that need attentional and motor resources .</p> Signup and view all the answers

Match the following terms with their descriptions relating to motor control:

<p>Corticospinal Tract = A pathway that carries neural drives for voluntary motion, allowing for precise control of movements, especially in the hand. Rubrospinal Tract = Serves as an alternative pathway for voluntary motor drive, receiving input from the cerebellum and motor cortex to aid in motor function. Vestibulospinal Tract = Plays a key role in postural adjustments by coordinating head and eye movement Reticulospinal Tract = Helps to control the motor function and function regulation.</p> Signup and view all the answers

Match each one with learning processes:

<p>Short term retention = Retention over short space of time. Transfer learning = Is a test in which a person i) performs a different skill. Negative transfer = Previous practices of one skill that hinder performance. The task of learning = Until goals and moments are achieved with ease .</p> Signup and view all the answers

Match which term with an explanation:

<p>Motor Programming = Process that makes action of motor movements occur . Motor Planning = Is a combination that makes actions become successful over time. Retention = In order to access motor memory, you need to repeat motor skills. Neuro Integration = In order to provide the action to occur, integration must happen from multiple brain sites</p> Signup and view all the answers

Match the brain area with definition:

<p>Prefrontal = Planning and action selection in performance Premotor = Coordination and action implementation Motor Cortex = Motor skill implementation over time. Motor System = All parts are accounted for.</p> Signup and view all the answers

Match each phase of motor skill aquisition with the goal of the phase:

<p>Acquiring movement: = Get knowledge of movements and skill that are needed Fixation Diversification: = To achieve and refine skills. Implementation = Have the skills used every time when needed. Cognitive = To provide the brain with the knowledge and skills.</p> Signup and view all the answers

Match the movement type with the brain area used:

<p>Planning movement = Prefrontal Coordinating movements = Premotor Skilled motor Movement = Motor Cortex Motor system = System functions.</p> Signup and view all the answers

Match each component of general motor programming with description:

<p>Action = Unique set of characteristics when there is skill Movements: = Characteristics of the general motor program during movement. Invariant : = The part that varies and varies on each general motor movement. Features = Combination or what action to perform to produce with skill.</p> Signup and view all the answers

Match the type of skill retention to its descriptor:

<p>Motor = The focus is emphasize learning and performance Retention = In all aspects the skill will become more and more available Performance . = Using feedback enhances the ability with that new skill. Motor Resources = Actions related to task and goals.</p> Signup and view all the answers

Match type of learning with characterization:

<p>Motor Adapation = No new capabilities emerge but changes depending if there is any circumstance needed Motor Skills = Action performed can increase any type performance Adaptation learning = Motor system that helps keep capabilities in environment Skilled Aquisition = Adapation in learning that needs adaptive and stability in performance</p> Signup and view all the answers

Match method with motor learning characterization:

<p>Stable retention = The skill will be more consistent. Adaptabilitly = The skill when used has better capability. Skills in Retention = The task can be transferred when needed . Reduction of demands = Learning requires little to no effort to use.</p> Signup and view all the answers

Match learning skill with description:

<p>Long skill time = Mass the actions needed . Time space = All periods of time between actions when skills perform in same action Distributed . = Fatigue increase the need for increase rest but skill is master Skilled time = Long practice will allow integration for motor ability .</p> Signup and view all the answers

Match the example to task or concept characterisation:

<p>DVR = A good and effective mechanical tool. Motor Skills-throwing dart = A good example to show actions in skill usage. Muscle Memory = Allow the body to act when used over and over without much thought Practice for Motor system = Constant repetition to preform actions and increase integration</p> Signup and view all the answers

Flashcards

Executive functions

A family of top-down mental processes needed when you have to concentrate and pay attention.

Inhibitory control

Being able to control one's attention, behavior, thoughts, and/or emotions to override a strong internal predisposition or external lure.

Working memory

A limited capacity system that operates to temporarily store and use recently presented information.

Cognitive flexibility

The ability to adapt flexibly to our constantly changing environment

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Reasoning

The ability to reach logical conclusions based on prior information.

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Problem solving

The process of constructing and applying mental representations of problems to finding solutions.

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High-level planning

Process that considers actions and their sequential interdependence in terms of the desirability of their outcomes.

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Short-term memory

A limited capacity system that temporally store information

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Long-term memory

A more permanent storage repository of information.

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Semantic memory

Stores our general knowledge about the world based upon experiences

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Episodic memory

Stores our knowledge about personally experienced events, along with their temporal associations.

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Procedural memory

Enables us to know how to do something, as opposed to enabling us to know what to do.

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Declarative knowledge

Knowledge about what to do in a situation that is verbalizable.

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Procedural knowledge

Knowledge that enables one to actually perform a skill; typically, not verbalizable or difficult to verbalize.

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Encoding

Memory process of transforming to-be-remembered information into a form that can be stored in memory.

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Storage

Process of placing information in long-term memory.

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Rehearsal

Process that enables a person to transfer information from the working memory to long-term memory.

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Retrieval

Process of searching through long-term memory for information needed for present use.

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Forgetting

Loss of memory or inability to retrieve the information from memory.

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Attention

Select the most relevant stimuli in the physical world for processing while filtering out less relevant information

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Attentional focus

The directing of attention to specific aspects of our performance or performance environment.

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Automaticity

Performance of a skill (or its parts) with little/no demand on attention capacity.

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Central-resource capacity theories

Attention-capacity theories that propose one central source of attentional resources for which all activities requiring attention compete.

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Top-down attention

An internally induced process in which information is actively sought out in the environment based on voluntarily chosen factors.

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Bottom-up attention

An externally induced process in which information to be processed is selected automatically because of highly noticeable features of stimuli.

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premotor complex

The premotor cortex is involved in eliciting complex movements

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Mental practice

The cognitive rehearsal of a physical skill in the absence of overt physical movement.

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Open-loop control system

A system of control in which, during the course of an action, sensory information related to the effects of motor commands does not affect future motor commands.

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Closed-loop control system

A system of control in which, during the course of an action, sensory information related to the effects of motor commands can affect future motor commands.

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Motor learning

Changes in the capability of a person to perform a skill; it must be inferred from a relatively permanent improvement in performance as a result of practice or experience.

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Performance of skills

Performance of skills shows an improvement over a period of time

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Performance curve types

Performance curves are of 4 types: Linear, Positively accelerated, Negatively accelerated and S-shaped

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Retention test

Test of a practiced skill that a learner performs following an interval of time after practice has ceased.

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Transfer test

Test in which a person: i) performs a skill that is different from the skill they practiced or ii) practiced a skill in a context of situation different from the practice context or situations

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Variability of practice

The variety of movement or context characteristics experienced during practice of a skill

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Study Notes

General Information about the Exam

  • The exam is scheduled for Thursday, April 17, covering topics from sessions #12 to #21, including both lecture and lab content.
  • It will take place in lecture hall SPH 1312 during the usual class time (11:00 AM to 12:15 PM).
  • Question types include multiple-choice (Scantron required with a no. 2 pencil and eraser), true-false with corrections, and open questions.

Sample Multiple Choice Questions

  • A variable error gives no information about the relationship between the outcomes and the target value.
  • Skills are classified to simplify discussion, allow comparison across research, and provide context for coaches/therapists.
  • Abilities are characterized by inherited traits, stability, being few in number, and are modified by practice.

Sample True/False with Correction Questions

  • A skill is an action or task that has a specific goal to achieve (TRUE).
  • For a reaction time task, the time from "EMG" activity onset to movement onset is the motor component of reaction time.

Sample Open Questions

  • A dart throwing study assesses performance under full visibility (C1) and limited visibility (C2) using absolute error (AE) and variable error (VE).
  • When comparing condition 1 to condition 2, absolute error (AE) remains consistent, performance is unchanged.
  • Variable error (VE) increases from condition 1 to condition 2, indicating decreased consistency or increased variability.
  • Limited vision doesn't impact the error amount but increases performance variability.
  • Electromyography (EMG) could be employed to inform muscle coordination.

Executive Functions

  • Executive functions are top-down mental operations needed for concentration and attention.
  • They are crucial when automatic responses or instincts are insufficient or inappropriate.
  • The core executive functions include inhibitory control, working memory, and cognitive flexibility.
  • The prefrontal cortex is critical for executive functions.

Inhibitory Control

  • It involves controlling attention, behavior, thoughts, and emotions to override internal predispositions or external lures.
  • Inhibition extends to thoughts/memories (cognitive inhibition), attention (selective or focused), and behavior (self-control).

Working Memory

  • A limited system that temporarily stores and uses recently presented information.
  • An active structure stores information briefly for manipulation.
  • Working memory serves as an interface between perception, long-term memory, and action.
  • Working memory enables responses based on immediate demands.
  • It is essential in decision-making, problem-solving, movement production, and evaluation.
  • Working memory can hold seven items, plus or minus two, for 20-30 seconds before losing information.
  • Smaller information units are encoded into larger units.

Cognitive Flexibility

  • A broad term, it is an ability to adapt to constantly changing environments.
  • This encompasses changing perspectives, spatially considering different viewpoints, and interpersonally understanding issues from another's viewpoint.
  • It involves changing how one thinks about something such as problem-solving methods.
  • It requires/builds on inhibitory control and working memory to inhibit familiar solutions and load new ones.

Higher Order Executive Functions

  • Reasoning is the ability to draw logical conclusions from prior information.
  • Problem-solving is the process of creating/using mental problem representations to find solutions applicable in most contexts.
  • High-level planning is a process of considering actions and their sequential interdependence.

Memory systems

  • Short-term memory is a limited capacity system for temporary information storage without manipulation.
  • Long-term memory is a more permanent information repository.
  • It allows people to store specific past events as well as general knowledge.
  • Long term memory generally resides in a relatively permanent state.
  • Long term memory has a relatively unrestricted capacity.

Declarative Memory

  • Semantic memory stores general world knowledge based on experience.
  • Episodic memory stores personally experienced events along with temporal associations.
  • Procedural memory enables knowing "how to do" something.

Types of knowledge

  • Declarative knowledge is knowledge about what to do in a situation, which is verbalizable.
  • Procedural knowledge enables skill performance and is typically difficult to verbalize.

Memory Processes

  • Encoding transforms to-be-remembered information to be stored in memory.
  • Storage places information in long-term memory.
  • Rehearsal transfers information from working to long-term memory.
  • Retrieval searches long-term memory for needed information.
  • Forgetting occurs with memory loss or retrieval inability.
  • Decay is when memory representations deteriorate over time due to interference.

Working Memory and Action Sequence

  • Tasks included imitation of demonstrated sequences.
  • Measurements include correctness of recall.

Important concepts in attention

  • Attention is the characteristics associated with consciousness, awareness, etc, as related to skill performance.
  • Attention helps select relevant stimuli for processing while filtering out the rest.
  • Attention limits influence performance when we do more than one activity at the same time.

Capacity Model

  • Humans have a limited availability of resources for performing tasks and gaining information.
  • Environmental information has to be reduced or filtered.

Central-Resource Capacity Theories of Attention

  • This model proposes a central source of attentional resources that activities requiring attention compete for.
  • It's related several characteristics associated with perceptual, cognitive, and motor activities.
  • Models can be fixed or flexible.

Examples of Capacity Model

  • A beginner has attention focused on steering, braking, monitoring position, etc
  • Experts require less attention.

Flexible Capacity Models

  • Attention capacity shouldn't be considered fixed (Kahneman, 1973).
  • Available attention that can be given to a task is a pool of effort distributed among several activities.
  • Arousal becomes a factor.

Multiple Resource Theory

  • Central resource theories state attention comes from single area.
  • Multiple-resource theories suggest that there are many attention mechanisms, with varying resources, each their differing functions (Wickens, 2002).
  • Performing tasks simultaneously depends on whether they require a common/different resources.

Top-Down Attention

  • Top-down, or endogenous attention, is an process in which information is sought based on voluntarily chosen factors (Katsuki & Constantinidis, 2014).
  • Visual search is actively directing visual attention for information.
  • Eye movements, or central vision, directed to a location are preceded by a shift in attention.

Attentional Focus

  • Directing attention to specific aspects of performance.
  • Width can be broad or narrow.
  • Direction: internal or external.
    • Internal focus: attention on one's movement
    • External focus: attention on the effects of one’s movement

Automaticity

  • Skill performance with little or no demand on attention capacity.
  • Influenced by experience/practice.

Measuring Attention

  • Dual-task paradigm
  • Determines attention demands while performing two tasks.
  • The task of interest is the primary task. -Distractor performance indicates the primary task attention demands.

Brain Areas in Motor Control: The Prefrontal Cortex

  • The prefrontal cortex integrates information.
  • It plays role in executive functions such as inhibitory control and working memory
  • Other executive functions include response selection, the anticipation of the consequences of an action, and sequencing behavior.

Brain Areas in Motor Control: Premotor Cortex

  • The premotor cortex is involved with eliciting complex movements/hand-shaping and contributes to specifying motion features.
  • Receives inputs from the Basal Ganglia and the Cerebellum
  • All premotor areas connect to the spinal cord (less than primary motor area).

Brain Areas in Motor Control: Lateral Premotor Cortex

  • The lateral premotor cortex controls proximal and distal muscles.
  • LPMC is trigger movement if there is an external sensory input
  • Involve conforming hand shape to an object and contribute to the selection of an action.

Brain Areas in Motor Control: Primary Motor Cortex

  • The primary motor cortex controls group of muscles for moving segments towards an objective
  • It's active before movement onset until movement's end and encodes the movement direction.
  • Controls the amount of force produced during movement.
  • Movements are Contralateral

Cortical Regions and Organization

  • The motor system consists of a high center, descending systems, LPMC and SMA, and the motor cortex/basal ganglia/ cerebellum.
  • The descending motor pathways are the corticospinal tract, rubrospinal tract, reticulospinal tract, vestibulospinal tract, and tectospinal tract.

Motor Planning and Programming

  • Planning uses the PFC, SMA, and LPMC and is modulated by the Basal Ganglia and the Cerebellum and it selects motor plans.
  • The motor programming involves premotor and primary motor areas modulated by the Basal Ganglia and Cerebellum and it implements plans.

Descending Motor Pathways: Lateral

  • Include corticospinal and rubrospinal tracts for voluntary action
  • The corticospinal tract carries the voluntary motor drive.
  • The rubrospinal tract is an alternative path for voluntary motor drive

Descending motor pathways- ventromedial

  • The reticulospinal, vestibulospinal, and tectospinal tract is the pathway.
  • The reticulo neurons control motor function.
  • The vestibulospinal manages posture.
  • The tectospinal manages audiovisual.

Elements of the Motor System

  • Includes the PFC, descending systems, LPMC and SMA, the motor cortex, basal ganglia, and cerebellum.
  • Local circuit neurons, motor neuron pools, the spinal cord, and brainstem circuits.

Elements of the Basal Ganglia

  • The basal ganglia includes the striatum (caudate nucleus + putamen), globus pallidus, substantia nigra, and subthalamic nucleus.
  • Each original circuit starts in a cerebral cortex area and heads back to from where it started
  • The Basal Ganglia have access to cortical somatotopy.
  • The Basal Ganglia gets inputs from the somatosensory cortex and PPC.

Types of Brain loops

  • Four main brain loopps exist.
    • One Skeletomotor that is linked to the precentral motor areas and mediates voluntary movements
    • the occulomotor that is linked the frontal and supplementary eye field, and controls saccades

Basal Ganglia Functions

  • Involved in strategy/motor plan selection, movement initiation, scaling, and sequencing.

Basal Ganglia - Parkinson's Disease

  • Symptoms may include diminished facial expressions, lack of movement, etc.

Cerebellum

  • The cerebellum is involved in balance and motor learning.
  • The cerebellum is in the motor system

Motor programming

-A motor program is selected in the CNS

  • The concept is rooted in the computer analogy

Deafferentation

  • Joint movements depended mainly on neural patterns.

Shortcoming

  • Different programs of every single motor skill

Generalized motor approach (GMP)

  • Appiles a pattern across movements

Feedback

  • Involes storing sensory feedback

General motor approach (schema)

  • Schema is is abstract representation of movement rules

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