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Related Concept Videos

Introduction to Learning01:18

Introduction to Learning

Learning is the process of acquiring knowledge or skills through practice or experience, leading to long-lasting behavioral changes. This acquisition occurs through interaction with the environment and requires practice or experience. For instance, mastering a skill such as surfing requires considerable practice and experience, highlighting the essential role of repeated interactions with the environment in learning.
In contrast to learned behaviors, unlearned behaviors such as crying, sexual...
Cognitive Learning01:21

Cognitive Learning

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...
Observational Learning01:12

Observational Learning

Albert Bandura's observational learning, also known as imitation or modeling, occurs when a person observes and imitates another's behavior. It is a quicker process than operant conditioning. A well-known example is the Bobo doll study, where children who saw an adult acting aggressively towards the doll were more likely to act aggressively when left alone, compared to those who observed a nonaggressive adult. Many psychologists view observational learning as a form of latent learning because...
Purposive Learning01:22

Purposive Learning

E. C. Tolman emphasized the purposiveness of behavior — the idea that much of our behavior is goal-directed. For instance, employees who aim for a promotion work diligently to meet their targets. Tolman argued that when classical conditioning and operant conditioning occur, the organism acquires certain expectations. In classical conditioning, a child might fear a dog because they expect it to bite. In operant conditioning, a person might consistently work overtime because they expect a bonus...
Higher Mental Functions of Brain: Learning and Memory01:26

Higher 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...
Acid and Bases: Ka, pKa, and Relative Strengths02:35

Acid and Bases: Ka, pKa, and Relative Strengths

This lesson delves into a critical aspect of the relative strengths of acids and bases. The strength of an acid is evaluated by the acid dissociation into its conjugate base and a hydronium ion in water. The complete dissociation of a strong acid is confirmed with a very high concentration of hydronium ions. As a result, an incomplete dissociation process affirms a weak acid. Therefore, the equilibrium is in the forward direction for strong acids and backward for weak acids in these reactions.

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Perspectives on Neuroscience
26:41

Perspectives on Neuroscience

Published on: July 31, 2007

NF-kappaB: much learned, much to learn.

Bahram Razani1, Genhong Cheng

  • 1Department of Microbiology, Immunology and Molecular Genetics, University of California Los Angeles, 609 Charles E. Young Drive East, Los Angeles, CA 90095, USA.

Science Signaling
|September 9, 2010
PubMed
Summary
This summary is machine-generated.

Nuclear factor kappa B (NF-kappaB) is a crucial transcription factor involved in immunity, inflammation, and cancer. A new book reviews its complex signaling network and roles in disease.

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Methods for the Modulation and Analysis of NF-κB-dependent Adult Neurogenesis
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14:17

Nuclear Transfer into Mouse Oocytes

Published on: November 30, 2006

Area of Science:

  • Molecular Biology
  • Immunology
  • Oncology

Background:

  • Nuclear factor kappa B (NF-kappaB) is a transcription factor discovered less than 25 years ago.
  • NF-kappaB is extensively studied due to its critical roles in immune and cellular processes.
  • Dysregulation of NF-kappaB signaling is implicated in cancer and inflammatory diseases.

Purpose of the Study:

  • To provide a comprehensive overview of NF-kappaB signaling.
  • To review the architecture, regulation, and pathophysiological roles of NF-kappaB.
  • To consolidate current knowledge from leading experts in the field.

Main Methods:

  • This work is a compilation of review articles.
  • Expert researchers in the field contributed their insights.
  • The content focuses on theoretical and experimental findings regarding NF-kappaB.

Main Results:

  • The book details the intricate network hub architecture of NF-kappaB.
  • It covers the complex regulatory mechanisms governing NF-kappaB activity.
  • Pathophysiological roles in immunity, inflammation, and cancer are thoroughly examined.

Conclusions:

  • NF-kappaB is a central regulator of critical biological processes.
  • Understanding NF-kappaB signaling is vital for addressing inflammatory diseases and cancer.
  • This book serves as an authoritative resource on NF-kappaB.