Related Experiment Video
Updated: Jun 22, 2026
06:35
Examining Recall Memory in Infancy and Early Childhood Using the Elicited Imitation Paradigm
Published on: April 28, 2016
Samuel Butler and human long term memory: is the cupboard bare?
1Department of Biochemistry, Queen's University, Kingston, Ontario, Canada K7L3N6. forsdyke@queensu.ca
Journal of Theoretical Biology
|June 4, 2009
Summary
The brain
Area of Science:
- Neuroscience and Memory Studies
- Information Storage Mechanisms
- Comparative Biology
Background:
- Biological memory involves production, storage, and retrieval.
- DNA's role in hereditary information storage.
- Historical parallels between heredity and brain memory storage theories.
Purpose of the Study:
- To explore the historical and current hypotheses for brain memory storage.
- To evaluate the efficacy of DNA and synaptic plasticity theories.
- To consider alternative models for long-term memory localization.
Main Methods:
- Historical analysis of memory theories.
- Review of neuroscientific evidence and critiques.
- Conceptual exploration of alternative storage paradigms.
Main Results:
- Early theories proposed molecular vibrations or similar mechanisms for memory storage.
- Synaptic plasticity hypothesis dominated 20th-century neuroscience but faces challenges.
- 21st-century theories revisit DNA as a storage medium, echoing 19th-century ideas.
- Current debate includes intra-brain macromolecular/sub-molecular storage and extra-brain models.
Conclusions:
- The precise storage mechanism for long-term brain memory remains undetermined.
- Revisiting historical ideas, like Butler's, may offer new perspectives.
- Understanding the evolution of memory storage concepts is crucial for future breakthroughs.
More Related Videos
Related Concept Videos
01:18Long-Term Memory
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...
01:23Storage
A schema is a mental framework that helps individuals organize and interpret information. Schemata, formed from previous experiences, influence how we process new information: how we encode it, the inferences we make, and how we retrieve it. For instance, a schema for what a typical classroom looks like might include desks, a teacher's desk, a whiteboard, and students in such an environment. This expectation helps us quickly understand and navigate new classrooms without needing to analyze each...
01:23System of Memory
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...
01:21Forgetting
Forgetting is an intrinsic aspect of human memory, characterized by the gradual loss or inaccessibility of information over time. Hermann Ebbinghaus, a pioneering psychologist, extensively studied this phenomenon and formulated the forgetting curve. This curve illustrates that memory loss occurs rapidly immediately after learning and then decelerates over time. Several mechanisms contribute to forgetting, including encoding failure, storage decay, retrieval failure, and interference.
Encoding...
Encoding...
01:16Interference and Decay
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...
01:26Higher Mental Functions of Brain: Learning and Memory
Memory is one of the most vital higher mental functions of the brain. Memory is closely related to learning because it enables us to retain information and experiences from our past to use them in our present life. It also helps us to remember facts, events, and skills, such as riding a bike or swimming. There are two types of memory — declarative memory, which involves memorizing facts or events, and procedural memory, which enables us to remember how to do something like writing or playing an...