Spaced Retrieval as Treatment for Aphasia

Spaced Retrieval as Treatment for Aphasia: Does Adaptive Spacing Enhance Picture Naming Performance?

Status

Completed

Phases

Study type

Interventional

Source

ClinicalTrials.gov

Registry ID

NCT04623125

Enrollment

Registered

2020-11-10

Start date

2020-10-01

Completion date

2022-01-01

Last updated

2023-03-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Aphasia, Acquired, Aphasia Primary Progressive

Keywords

Adaptive Spaced-Retrieval, Aphasia, Anomia, Anki

Brief summary

Spaced Repetition training has been found to be more effective than massed repetition for individuals with aphasia. This study seeks to examine the relative efficiency of three kinds of spacing for picture-naming training: traditional random presentation, non-adaptive spaced repetition, and adaptive spaced repetition.

Detailed description

Participants undergo a screening evaluation including the Quick Aphasia Battery (administered via teleconferencing software), and a preliminary picture naming test of approximately 300 pictures, used to select individual items for treatment. Participants then undertake online picture naming training for 30 minutes a day, over two weeks. Pictures are repeated according to three different schedules to be compared: random presentation, non-adaptive spaced repetition, and adaptive spaced repetition. We compare the number of pictures successfully learned and the verbal reaction time for the pictures assigned to the three conditions.

Interventions

BEHAVIORALSpaced Retrieval Practice

Online picture-naming training with 60 words which the participant experiences word-retrieval difficulties. Cards are shuffled arranged by the computerized training program.

Study design

Allocation

Intervention model

SINGLE_GROUP

Primary purpose

TREATMENT

Masking

NONE

Eligibility

Sex/Gender

ALL

Healthy volunteers

Inclusion criteria

* presence of a post-stroke word finding deficit (i.e. aphasia), or primary progressive aphasia. * ability to evaluate the correctness of one's own responses when subsequently provided the with the correct answer

Exclusion criteria

* diagnosis of a neurological disorder other than post-stroke or primary progressive aphasia * inability to evaluate the correctness of ones responses when subsequently provided with the correct answer

Design outcomes

Primary

Measure	Time frame	Description
Change in Picture Naming performance across conditions	Change from baseline to post-intervention immediately after two weeks of daily sessions, and one month followup.	Word retention assessed after treatment

Countries

Canada

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026