Week 4 Flashcards
What is cognition?
Process of knowing and understanding
What is perception?
Ability to select those stimuli that require attention or action from the surrounding sensory
environment and interpret them
What is executive functions?
Ability to plan, manipulate, and
problem solve.
What are cognitive impairments?
- Altered levels of consciousness
- Memory loss and orientation deficits
- Impaired attention
- Poor insight or awareness
- Impaired executive functioning
- Impaired problem solving/reasoning
- Perseveration
What are the characteristics of executive control?
- Ability to control impulses
- Utilize feedback to control behavior
- Effective evaluation of consequences of behavior
- Self regulation; functions that direct and organize behavior
What are the impairments of executive functioning?
- Difficulty with integration
- Reduced initiation
- Poor self-monitoring/self-inhibiting
- Poor planning/organization
- Egocentricity
- Perseveration
- Poor regulation of emotion/behavior
- Poor self awareness/evaluation
- Poor decision making
- Lack of flexible problem solving
What are the categories of executive function?
- Knowledge base
* Executive system
What are the characteristics of knowledge base category of executive function?
General info, learned skills, routines, procedures, rules
What are the characteristics of executive system category of executive function?
Mental functions related to goal formation, planning, and achieving goals
____ greatly impacts cognition, and memory is involved in it
Perception greatly impacts cognition, and memory is involved in it
What is perseveration?
To be stuck on a thought or idea
What area of the brain do you think might be damaged in a person who displays impaired executive function?
Frontal lobe and sub cortical limbic system
What does a person with impaired executive function look, sound, act like?
- Impulsive
- Tangential
- Socially inappropriate
- Can’t monitor, judge, or read situations
- One track mind
- Can’t adapt/accommodate to changing environmental factors
What are the characteristics of patients that lacks initiation?
- Need a cue
- Slow to respond, nothing spontaneous
- Inert
What are the characteristics of patients that lacks Self Monitoring/Self Awareness?
• Lack of insight • Totally unaware • Denial • May be resistant to treatment • Unawareness of deficit vs unawareness of consequences
What are the characteristics of patients that lacks planning and organization skills?
- Determine needs and wants
- Conceptualize something different from present
- Consider alternatives, weigh options, make decisions
- Flexibility
- Processing strategies
- Foresight and sustained attention
What are the characteristics of patients that lacks problem solving skills?
• Integration of cognitive skills
• Key ingredients: attention, information access,
planning, feedback system
• Deficits may include: concrete thinking, impulsivity,
problems sequencing, inability to learn from
experience, not knowing where to start
What are the characteristics of patients that lacks mental flexibility and abstraction skills?
- Deficits in conceptual thinking
- Perseveration
- Limited imagination
- Unable to think beyond current situation
- Problems perceiving similarities and differences
What are the characteristics of patients that lacks generalization and transfer skills?
• Effect of training specific skills and extent to which
these abilities facilitate or limit new learning
• Generalization is ability to use newly learned strategy
in novel situation
What are the characteristics of patients that lacks orientation?
Quicker recovery of orientation to person as opposed to place and time, because place and time are constantly changing
What are the characteristics of patients that lacks attention?
• No attention = no information processing
• Process for determining what sensations and
experiences are relevant
• Attention –> interpretation -> processing –> making memory
What are the types of attention?
- Focused
- Sustained
- Selective
- Alternating
- Divided
- Concentration
What are the characteristics of memory?
• Involves many cognitive skills
• Requires attention
• Perception that has been stored previously and can be
called up later
• Starts with sensory input (sensory memory), then
goes to working memory, then finally long term
memory
What is concentration?
Being immersed in the present
How do you keep/maintain concentration?
Increasing attention to the relevant and decrease attention to the irrelevant
What are the elements of concentration?
- Focusing selectively
- Focus that is maintained over a period of time
- Awareness of unfolding situation
- Can alter attentional focus as required
What part of the brain is affected in an episodic/semantic /long term memory issue?
Temporal lobe
What part of the brain is affected in an attention issue?
Parietal lobe
What part of the brain is affected in a visual perception issue?
Occipital lobe
What does the lack of awareness of memory issues do to a person?
They have the inability to compensate
Memory is a primary function of the ____
Memory is a primary function of the hippocampus
What are the things that the hippocampus is very susceptible to?
Metabolic changes and decreased O2
What are the forms of long term memory?
- Explicit (declarative)
- Implicit (non declarative)
What types of things are included in explicit (declarative) memory?
- Facts (semantic)
- Events (episodic)
Steps to complete a task
Where does explicit (declarative) memory take place?
Medial temporal lobe
Hippocampus
What types of things are included in implicit (non declarative) memory?
- Priming
- Procedural (skills and habits)
- Associative learning: classical and operant conditioning
- Non associative learning: habituation and sensitization
What is included in associative learning?
- Emotional responses
- Skeletal musculature
Where does priming memory take place?
Neocortex
Where does procedural memory take place?
Striatum
Where does associative learning memory:emotional responses take place?
Amygdala
Where does associative learning memory: skeletal musculature take place?
Cerebellum
Where does non-associative learning memory take place?
Reflex pathways
What are the processes that declarative memory require?
Conscious processes, such as awareness and attention.
What are some strategies for patients with memory problems?
• DO NOT ARGUE • External memory aides - Notebooks - Watches - Beepers - Signs and notes • Maximize procedural memory
What is Post-Traumatic Amnesia?
Period of time following emergence from coma during
which patient is confused, disoriented, and/or
agitated
What are the characteristics of Post-Traumatic Amnesia?
- Confabulation and impaired attention
- Short term memory dysfunction
- Time period of PTA correlates with quantity of brain tissue destroyed
What are some behavioral impairments seen in patients with any type of brain injury?
- Agitation and/or aggression
- Restlessness
- Disinhibition
- Sexual inappropriateness
- Egocentricity
- Apathy/lack of concern
What are the characteristics of fatigue as it impacts treatment of a brain injury?
- Sleep/wake cycles
- Poor endurance/decreased tolerance for activity
- Exaggerated response to fatigue
- Negatively impact learning
- Not a behavior
What are some strategies for addressing brain injury?
• Medication management may be necessary
• Create busy days with appropriate physical and
cognitive activity
• Create environment conducive to sleep
What are the characteristics of pain in patients with brain injury?
• Source of pain • Distracting • Emotional impact - Agitation/aggression - Lethargy - Withdrawal - Labile • Difficult to discern with communication deficits
What are the strategies for addressing patients with a brain injury?
• Alter environment to decrease stimulation
• Routine, Routine, Routine
• Incorporate meaningful, functional activities that
capitalize on positive emotion; familiar, automatic activities
What are the characteristics/kinds of language disorders?
- Receptive or comprehension deficits
- Expressive deficits
- Combo
- Dysarthria
- Speech quality deficits
What are the strategies of treating patients with language disorders?
- Don’t confuse frustration over communication limitations as behavioral problem
- Be patient
- Be consistent
What are the characteristics of impaired judgment or awareness?
• Lack of awareness very hard to “treat”
• Inappropriate social behavior
- Isolation, depression, lack of motivation
- Disinhibition, sexual inappropriateness, aggression
• Impaired safety awareness
What are the strategies for treating those with impaired judgment or awareness?
- Age appropriate treatment
- Be honest, but not reactive
- Do not take it personally
- Be clear and simple
- Re-focus on the goals
- Caution with joking and sarcasm
- Don’t respond with laughter
- Always be respectful
What are the behavior modification seen in patients with brain injury?
A: Antecedents
- Everything that occurs before behavior; external and
internal
B: Behaviors
- Behaviors needing change must be clearly defined with
clear picture of target behavior
Consequences
- What happens after behavior that make behaviors more or less likely to occur
What are the causes of certain behavior in our patients?
- Location of injury
- Medical factors
- Loss of control
- Reality Response
- Premorbid personality
- Memory deficits
- Cultural or social issues
What are the causes of certain behavior in our patients caused by staff/PTs?
- Inconsistency
- Over-identification
- Discomfort with emotional responses
- Encouraging inappropriate behavior
- Expecting patient to control behavior
- Modeling bad behavior
- Being punitive
- Reacting and retaliating
- Being judgmental
What are some strategies to address patients with behavioral issues in extreme circumstances?
- Behavioral contracts
- Reward system
- Chaining or shaping
What are the characteristics of bed mobility?
- Rolling (supine<>sidelying<>prone)
- Bridging and scooting
- Supine or sidelying<>sitting
What are the characteristics of basic transfers?
- Level surface
- Unlevel surface
- Sit<>stand
What are the characteristics of basic wheelchair skills?
- Propulsion
* Pressure relief
What is task analysis?
Identification of link between patient’s inability to effectively use appropriate movement strategy (abnormal movement) and underlying impairments
What are the components of movement?
- Mobility
- Force generation
- Muscle tone
- Sensory information
- Pain
- Speed
- Endurance
- Posture
- Balance
- Coordination
- Selective capacity
- Adaptive capacity
- Cognitive and psychological
What are the characteristics of task and environment interaction requirements?
- Stationary Individual and Stationary Environment
- Moving Individual and Stationary Environment
- Stationary Individual in Moving Environment
- Moving Individual in Moving Environment
What is the temporal sequence of task performance?
- Initial condition
- Preparation
- Initiation
- Execution
- Termination
- Outcome
What is the goal for all our patients?
Efficient movement
What are the requirements of efficient movement?
- Adequate mechanical capacity
- Appropriate neuromuscular function
- Effective motor control
What are the characteristics of adequate mechanical capacity needed for efficient movement?
Mobility of joint, soft tissue, muscle and neurovascular
What are the characteristics of appropriate neuromuscular function needed for efficient movement?
Initiate contraction, adequate strength, speed and endurance