Related Experiment Video
Updated: Jan 26, 2026
10:15
Utilizing Repetitive Transcranial Magnetic Stimulation to Improve Language Function in Stroke Patients with Chronic Non-fluent Aphasia
Published on: July 2, 2013
18.3K
Patterns of Recovery From Aphasia in the First 2 Weeks After Stroke
Stephen M Wilson1,2,3, Dana K Eriksson2, Temre H Brandt2
1Department of Hearing and Speech Sciences, Vanderbilt University Medical Center, Nashville, TN.
Summary
Aphasia recovery after stroke shows steady, linear improvement in the first two weeks, particularly in expressive language skills. Early, more severe language impairment predicts greater recovery gains during this acute phase.
Area of Science:
- Neuroscience
- Neurology
- Speech and Language Pathology
Background:
- Stroke recovery from aphasia typically decelerates over time, with most gains occurring early.
- The precise dynamics of language function recovery in the acute and early subacute phases post-stroke remain poorly understood.
- Characterizing early recovery is crucial for accurate prognostication and evaluating therapeutic interventions.
Purpose of the Study:
- To define the trajectory and nature of language function recovery in patients with aphasia during the acute and early subacute periods following stroke.
- To analyze the patterns of recovery across different language domains within the initial 15 days post-stroke.
Main Methods:
- Twenty-one patients with post-stroke aphasia were assessed every 2-3 days for the first 15 days.
- The Quick Aphasia Battery was used to evaluate overall language function and seven specific language domains.
- Data analysis focused on the linear and multidimensional progression of language recovery.
Main Results:
- Overall language function improved by an average of 1.07 points per week, with 19 out of 21 patients showing improvement.
- Recovery followed an approximately linear trajectory during the first two weeks post-stroke.
- Patients with greater initial language impairment at Day 2 experienced more significant recovery over the subsequent two weeks; expressive language domains like word finding and grammar showed consistent improvement, while comprehension domains were less consistent.
Conclusions:
- Language function generally demonstrates substantial and steady improvement in the first two weeks after stroke, primarily driven by expressive language recovery.
- Understanding this early recovery pattern aids in setting realistic prognostic expectations and benchmarks for intervention effectiveness.
- The findings highlight the importance of early assessment and intervention for optimizing aphasia rehabilitation.
Related Concept Videos
01:06Fixed Action Patterns
17.6K
A fixed action pattern (FAP) is a specific, hard-wired sequence of behaviors that occurs in response to an external stimulus, called a sign stimulus. The behavior is “fixed” because it is essentially unchangeable—proceeding similarly across individuals of a species every time it occurs.
17.6K
01:24Muscle Recovery and Fatigue
4.1K
Muscle fatigue refers to the decline in a muscle's ability to maintain the force of contraction after prolonged activity. It primarily stems from changes within muscle fibers. Even before experiencing muscle fatigue, one may feel tired and have the urge to stop the activity. This response, known as central fatigue, occurs due to changes in the central nervous system, namely the brain and spinal cord. While there is no single mechanism that induces fatigue, it may serve as a protective...
4.1K
01:26Patterns of Fever
3.9K
Before understanding the types and patterns of fever, it is essential to know its phases.
3.9K
01:27Regulation of Stroke Volume
4.8K
The regulation of stroke volume, which is the amount of blood the heart pumps out during each heartbeat, is critical for maintaining a healthy circulatory system. Stroke volume is influenced by three main factors: preload, contractility, and afterload.
Preload refers to the degree of stretch on the heart before it contracts. It's analogous to the stretching of a rubber band; the more it's stretched, the more forcefully it snaps back. This concept is encapsulated in the Frank-Starling law of the...
Preload refers to the degree of stretch on the heart before it contracts. It's analogous to the stretching of a rubber band; the more it's stretched, the more forcefully it snaps back. This concept is encapsulated in the Frank-Starling law of the...
4.8K
01:13meta-Directing Deactivators: –NO2, –CN, –CHO, –CO2R, –COR, –CO2H
6.6K
All meta-directing substituents are deactivating groups. These substituents withdraw electrons from the aromatic ring, making the ring less reactive toward electrophilic substitution. For example, the nitration of nitrobenzene is 100,000 times slower than that of benzene because of the deactivating effect of the nitro group. The first step in an electrophilic aromatic substitution is the addition of an electrophile to form a resonance-stabilized carbocation. The energy diagrams for...
6.6K
01:29Oxygen Requirements and Growth Patterns
1.2K
Microorganisms exhibit diverse oxygen requirements and growth patterns driven by their metabolic strategies and environmental adaptations. Oxygen, while essential for many organisms, can also be toxic under certain conditions, shaping how microorganisms grow and survive.Oxygen Requirements of MicroorganismsMicroorganisms are classified based on their ability to use or tolerate oxygen:● Obligate aerobes like Mycobacterium tuberculosis need oxygen for energy production, as it serves as the...
1.2K