Information Overload and Short Videos
Short videos can introduce a Biomedical Science topic, but watching a familiar explanation is different from being able to recall and apply it. This guide offers a practical way to turn online content into focused study and CPD.
Reviewed and updated: 31 October 2026
What information overload looks like
You may save more material than you can review, switch repeatedly between topics or finish a study session without being able to explain the key ideas. These patterns suggest that your learning process needs adjustment; they do not diagnose a disorder or prove that short videos have damaged your attention.
What the evidence can tell us
Research on notification batching suggests that the timing of interruptions can affect some measures of concentration and wellbeing. The effects depend on the intervention and outcome; the study does not establish a universal screen-time limit or a treatment for mental illness. [1]
A meta-analysis found benefits of testing previously studied material compared with restudying it. This supports retrieval practice, such as answering a question from memory and then checking the answer. It does not mean every quiz or learning app is equally effective. [2]
A short routine for laboratory learning
- Choose one question. For example: why can haemolysis affect potassium results?
- Use one introduction. Watch a short explanation or read a focused section.
- Check the source. Compare the claim with a suitable textbook, professional guidance or authorised local procedure.
- Recall it. Close the resource and explain the principle in your own words.
- Apply and revisit. Identify a laboratory implication and test your recall later.
A video alone cannot establish competence for an unsupervised laboratory task.
Set boundaries that fit your responsibilities
Try silencing non-essential notifications during planned study, keeping one resource open and using a short list of questions. Maintain any communication needed for caring responsibilities or work. Review whether the change helps you complete your task rather than aiming for an arbitrary productivity target.
Turn learning into useful CPD
Record the source, the question you investigated, what changed in your understanding and how it relates to practice. Our CPD guide explains how learning activities differ from a collection of attendance certificates. If persistent concentration, sleep or wellbeing problems affect daily life, seek appropriate support rather than assuming a study technique will resolve them.
Choose
Start with one learning question.
Check
Verify the claim using a credible source.
Recall
Explain it without looking, then review.
Sources and further reading
- Fitz N, et al. Batching smartphone notifications can improve well-being. Computers in Human Behavior. 2019;101:84–94..
- Rowland CA. The effect of testing versus restudy on retention. Psychological Bulletin. 2014;140:1432–63..
Continue learning
Biomedical Science Books: 10 Subject Areas for Your Reading List · What Is CPD? A Guide for Biomedical Scientists
Educational use only: this article supports learning and professional discussion. It does not replace current national guidance, manufacturer instructions, local SOPs, clinical advice or professional judgement. Portfolio evidence must reflect your own learning and supervised practice. Read the LabPathPro Disclaimer and Professional Notice.