Podcast
Questions and Answers
Match each executive function with its description:
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:
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:
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:
Match each motor pathway with its primary function:
Match each aspect of attention with the definition:
Match each aspect of attention with the definition:
Match each role with an overview of the process:
Match each role with an overview of the process:
Match the brain area with its main function:
Match the brain area with its main function:
Match the cerebellum region with its associated function:
Match the cerebellum region with its associated function:
Match each type of practice distribution with its characteristics:
Match each type of practice distribution with its characteristics:
Match each stage of learning with its focus:
Match each stage of learning with its focus:
Match the term to its definition:
Match the term to its definition:
Match the component with its characteristics:
Match the component with its characteristics:
Match the concept to its definition:
Match the concept to its definition:
Match the practice methods to characteristics:
Match the practice methods to characteristics:
Match the statement involving motor skills with the possible issue:
Match the statement involving motor skills with the possible issue:
Match what happens in specific areas with the action caused by that process:
Match what happens in specific areas with the action caused by that process:
Match each area with the function it produces:
Match each area with the function it produces:
Match the following terms with their descriptions relating to motor control:
Match the following terms with their descriptions relating to motor control:
Match each one with learning processes:
Match each one with learning processes:
Match which term with an explanation:
Match which term with an explanation:
Match the brain area with definition:
Match the brain area with definition:
Match each phase of motor skill aquisition with the goal of the phase:
Match each phase of motor skill aquisition with the goal of the phase:
Match the movement type with the brain area used:
Match the movement type with the brain area used:
Match each component of general motor programming with description:
Match each component of general motor programming with description:
Match the type of skill retention to its descriptor:
Match the type of skill retention to its descriptor:
Match type of learning with characterization:
Match type of learning with characterization:
Match method with motor learning characterization:
Match method with motor learning characterization:
Match learning skill with description:
Match learning skill with description:
Match the example to task or concept characterisation:
Match the example to task or concept characterisation:
Flashcards
Executive functions
Executive functions
A family of top-down mental processes needed when you have to concentrate and pay attention.
Inhibitory control
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
Working memory
A limited capacity system that operates to temporarily store and use recently presented information.
Cognitive flexibility
Cognitive flexibility
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Reasoning
Reasoning
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Problem solving
Problem solving
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High-level planning
High-level planning
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Short-term memory
Short-term memory
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Long-term memory
Long-term memory
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Semantic memory
Semantic memory
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Episodic memory
Episodic memory
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Procedural memory
Procedural memory
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Declarative knowledge
Declarative knowledge
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Procedural knowledge
Procedural knowledge
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Encoding
Encoding
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Storage
Storage
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Rehearsal
Rehearsal
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Retrieval
Retrieval
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Forgetting
Forgetting
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Attention
Attention
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Attentional focus
Attentional focus
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Automaticity
Automaticity
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Central-resource capacity theories
Central-resource capacity theories
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Top-down attention
Top-down attention
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Bottom-up attention
Bottom-up attention
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premotor complex
premotor complex
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Mental practice
Mental practice
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Open-loop control system
Open-loop control system
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Closed-loop control system
Closed-loop control system
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Motor learning
Motor learning
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Performance of skills
Performance of skills
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Performance curve types
Performance curve types
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Retention test
Retention test
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Transfer test
Transfer test
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Variability of practice
Variability of practice
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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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