Related Experiment Video
Updated: May 27, 2025
09:05
Assessing Working Memory in Children: The Comprehensive Assessment Battery for Children – Working Memory (CABC-WM)
Published on: June 12, 2017
29.5K
Differential information transfer and loss between working memory and long-term memory across serial positions
Alicia Forsberg1, Dominic Guitard2, Nathaniel R Greene3
1School of Psychology, University of Sheffield.
Journal of Experimental Psychology. Learning, Memory, and Cognition
|February 18, 2025
Summary
Working memory (WM) capacity limits long-term memory (LTM) encoding. While both memory systems show recency effects, primacy effects differ, suggesting partially separate mechanisms for WM and LTM.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Memory Research
Background:
- Working memory (WM) temporarily holds information, while long-term memory (LTM) stores it for extended periods.
- Understanding the interaction between WM and LTM is crucial for theories of cognition, learning, and education.
Purpose of the Study:
- To investigate if a shared perceptual bottleneck influences the relationship between WM and LTM accuracy.
- To determine if serial position effects observed in WM are replicated in LTM.
Main Methods:
- Two experiments were conducted with participants studying object sequences.
- Participants completed immediate (WM) and delayed (LTM) recognition tests for studied items.
- Varying set sizes were used to assess WM capacity limitations on LTM encoding.
Main Results:
- Experiment 1 showed that LTM performance was better for items from lower set sizes, indicating WM capacity constrains LTM encoding.
- Experiment 2 revealed recency effects in both WM and LTM, but primacy effects were unique to LTM.
- Serial position effects in WM did not consistently predict LTM item preservation.
Conclusions:
- WM capacity limitations significantly impact LTM encoding efficiency.
- The differing serial position effects suggest that WM and LTM involve at least partially distinct underlying mechanisms.
- These findings contribute to a nuanced understanding of memory system interactions and their mechanisms.
More Related Videos
10:38A Cognitive Paradigm to Investigate Interference in Working Memory by Distractions and Interruptions
Published on: July 16, 2015
13.6K
07:01Working Memory Training for Older Participants: A Control Group Training Regimen and Initial Intellectual Functioning Assessment
Published on: September 20, 2020
4.6K
Related Concept Videos
01:24Working Memory
123
Working memory refers to a combination of components, including short-term memory and attention, that allow an individual to hold information temporarily as we perform cognitive tasks. It is an essential cognitive function that enables the execution of complex tasks such as problem-solving, comprehension, and reasoning. Unlike short-term memory, which simply involves the storage of information for a brief period, working memory involves the active manipulation and processing of this...
123
01:03Serial Position Effect
138
The serial position effect is a cognitive phenomenon where individuals are more likely to recall the first and last items in a list compared to those in the middle. This effect is divided into the primacy effect and the recency effect. The primacy effect is observed when the initial items in a list are remembered better. This occurs because these items are rehearsed more frequently or receive more elaborative processing, allowing them to be encoded into long-term memory more effectively. For...
138
01:16Interference and Decay
104
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...
Interference occurs when competing memories hinder the retrieval of particular information. It can be classified into two types: proactive and retroactive interference. Proactive...
104
01:23System of Memory
4.5K
Memory is categorized into three major systems: sensory memory, short-term memory (STM), and long-term memory (LTM). These systems differ in their capacity and the duration for which they can hold information. Sensory memory captures raw sensory input from the environment, holding it for just a few seconds or less. For example, on hearing a brief, loud sound, like a car horn honking, the sound seems to linger in the mind for a moment even after it stops. This is an instance of sensory memory...
4.5K
01:19Understanding Memory
240
Memory is the retention of information or experiences over time, facilitated through three main processes: encoding, storage, and retrieval. Encoding is the process of inputting information into the memory system. For instance, when listening to a lecture, watching a play, reading a book, or having a conversation, the brain is actively encoding information. This initial stage involves transforming sensory input into a form that can be processed and stored by the brain. Various factors, such as...
240
01:18Long-Term Memory
101
Long-term memory is a relatively permanent type of memory, capable of storing vast amounts of information over extended periods. Its storage capacity is generally considered unlimited.
Long-term memory can be categorized into two primary types: explicit and implicit memory. Explicit memory, also known as declarative memory, involves the conscious recollection of information that we deliberately try to remember, recall, and articulate. This type of memory encompasses specific facts, events, and...
Long-term memory can be categorized into two primary types: explicit and implicit memory. Explicit memory, also known as declarative memory, involves the conscious recollection of information that we deliberately try to remember, recall, and articulate. This type of memory encompasses specific facts, events, and...
101