Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Interference and Decay01:16

Interference and Decay

237
Forgetting is a complex cognitive phenomenon influenced by several factors, among which interference and decay are particularly prominent. These processes explain why individuals often struggle to retrieve specific information from memory, leading to lapses in recall that can be observed in everyday situations.
Interference occurs when competing memories hinder the retrieval of particular information. It can be classified into two types: proactive and retroactive interference. Proactive...
237
Long-term Potentiation01:25

Long-term Potentiation

2.9K
Long-term potentiation, or LTP, is one of the ways by which synaptic plasticity—changes in the strength of chemical synapses—can occur in the brain. LTP is the process of synaptic strengthening that occurs over time between pre and postsynaptic neuronal connections. The synaptic strengthening of LTP works in opposition to the synaptic weakening of long-term depression (LTD) and together are the main mechanisms that underlie learning and memory.
Hebbian LTP
LTP can occur when...
2.9K
Cognitive Learning01:21

Cognitive Learning

693
Cognitive learning is based on purposive behavior, incidental learning, and insight learning.
E. C. Tolman's theory of purposive behavior emphasizes that much behavior is goal-directed. He argued that to understand behavior, we must look at the entire sequence of actions leading to a goal. For instance, high school students study hard, not just due to past reinforcement but also to achieve the goal of getting into a good college.
Tolman introduced the idea that behavior is influenced by...
693
Feedback Inhibition00:46

Feedback Inhibition

55.2K
Biochemical reactions are occurring constantly in cells, converting starting substances to different products, usually with the help of enzymes that speed the reactions. Without enzymes, it would take far too long for most reactions to occur to be useful to the cell!
55.2K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Macular Hole Closure by Internal Limiting Membrane Flap without Gas Tamponade versus Conventional Surgery: A Comparative Study.

Ophthalmology. Retina·2025
Same author

In-lecture quizzes improve online learning for university and community college students.

Communications psychology·2025
Same author

The magnitude of the testing effect is independent of retrieval practice performance.

Journal of experimental psychology. General·2024
Same author

Does testing potentiate new learning because it enables learners to use better strategies?

Journal of experimental psychology. Learning, memory, and cognition·2023
Same author

Reply to Newton: Missing the forest (correlation) for the trees (mean differences).

Proceedings of the National Academy of Sciences of the United States of America·2023
Same author

Experimental and meta-analytic evidence that source variability of misinformation does not increase eyewitness suggestibility independently of repetition of misinformation.

Frontiers in psychology·2023
Same journal

The properties of personal semantics.

Memory & cognition·2026
Same journal

Music enhances associative generalization: Evidence from a memory integration task.

Memory & cognition·2026
Same journal

Video, text, and memory: An emotional verbal overshadowing effect.

Memory & cognition·2026
Same journal

Limited protective effects of multilingualism against age-related cognitive decline.

Memory & cognition·2026
Same journal

Validation of illustrated texts: Can pictures raise awareness of inconsistencies?

Memory & cognition·2026
Same journal

4I remember (and forget) your happy smiling face: Directed forgetting of emotionally expressive faces of in-group and out-group members.

Memory & cognition·2026
See all related articles

Related Experiment Video

Updated: Oct 5, 2025

Extinction Training During the Reconsolidation Window Prevents Recovery of Fear
11:17

Extinction Training During the Reconsolidation Window Prevents Recovery of Fear

Published on: August 24, 2012

35.7K

Does testing enhance new learning because it insulates against proactive interference?

Dahwi Ahn1, Jason C K Chan2

  • 1Department of Psychology, Iowa State University, Ames, IA, 50011, USA. dahn@iastate.edu.

Memory & Cognition
|February 1, 2022
PubMed
Summary
This summary is machine-generated.

Testing prior material boosts new learning. This study suggests the benefit isn't due to reduced proactive interference (PI), challenging a common explanation for the forward testing effect.

Keywords:
Forward testing effectNew learningProactive interferenceRetrieval practice

More Related Videos

Using Practice Testing, Public Speaking, and Source Monitoring to Examine the Influences of Learning Strategies and Stress on Episodic Memory
07:59

Using Practice Testing, Public Speaking, and Source Monitoring to Examine the Influences of Learning Strategies and Stress on Episodic Memory

Published on: June 14, 2019

8.1K
A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
10:38

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions

Published on: July 16, 2015

13.7K

Related Experiment Videos

Last Updated: Oct 5, 2025

Extinction Training During the Reconsolidation Window Prevents Recovery of Fear
11:17

Extinction Training During the Reconsolidation Window Prevents Recovery of Fear

Published on: August 24, 2012

35.7K
Using Practice Testing, Public Speaking, and Source Monitoring to Examine the Influences of Learning Strategies and Stress on Episodic Memory
07:59

Using Practice Testing, Public Speaking, and Source Monitoring to Examine the Influences of Learning Strategies and Stress on Episodic Memory

Published on: June 14, 2019

8.1K
A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
10:38

A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions

Published on: July 16, 2015

13.7K

Area of Science:

  • Cognitive Psychology
  • Educational Psychology
  • Learning Sciences

Background:

  • The forward testing effect demonstrates that testing enhances subsequent learning.
  • One proposed mechanism is that retrieval reduces proactive interference (PI).
  • Existing evidence is largely correlational, limiting causal claims.

Purpose of the Study:

  • To causally investigate whether reduced proactive interference (PI) underlies the forward testing effect.
  • To test the release-from-PI account by manipulating PI levels during learning and testing.

Main Methods:

  • Participants studied multiple lists with or without interpolated tests.
  • Proactive interference (PI) levels were manipulated during the study phase.
  • The impact of testing on subsequent new learning was assessed across different PI conditions.

Main Results:

  • Testing benefited new learning irrespective of the level of proactive interference (PI).
  • Results contradicted previous findings that linked the forward testing effect to minimized PI.
  • Replication attempts of prior contradictory results were unsuccessful.

Conclusions:

  • Reduced proactive interference (PI) may be a consequence, not a cause, of the forward testing effect.
  • The findings challenge the release-from-PI explanation for enhanced learning after testing.
  • Further research is needed to elucidate the causal mechanisms of the forward testing effect.