1. Introduction to Cognitive Psychology
Definition and Scope:
Cognitive psychology is the branch of psychology that studies mental processes including how people perceive, think, remember, and learn.
As a science, it is an analysis of the mind and its processes as compared to behaviours.
Key Components:
Perception: How we interpret sensory information.
Attention: Focused mental engagement.
Memory: Processes involved in storage and retrieval of information.
Language: Communication using structured and conventional patterns of symbols.
Problem-Solving: Cognitive processes to reach a goal.
2. Key Theories in Cognitive Psychology
Information Processing Theory:
Compares the human brain to a computer, suggesting that information is processed in stages (input, storage, and retrieval).
Example: In memory tests, participants remember lists of words by encoding (input), storing them in short-term or long-term memory, and
retrieving them later.
Schema Theory:
Shows how previous experiences shape the way we process new information.
Example: When learning a new language, existing knowledge of one's native language (schema) influences how new vis learned and
understood.
Piaget's Stages of Cognitive Development:
Explains how children’s thinking evolves through distinct stages:
1. Sensorimotor Stage (0-2 yrs): Learning through physical interaction with the environment.
2. Preoperational Stage (2-7 yrs): Development of language and symbolic thinking but still lacking logical reasoning.
3. Concrete Operational Stage (7-11 yrs): Logical thinking about concrete events, understanding of conservation.
4. Formal Operational Stage (12+ yrs): Development of abstract reasoning and hypothetical thinking.
Example: A child in the concrete operational stage understanding the concept of conservation (e.g., recognizing that the amount of liquid
remains the same, despite changing containers).
Cognitive Load Theory:
Relates to how working memory and long-term memory interact and how too much information can overload the cognitive system.
Example: When learning a complex task like a mathematical procedure, breaking it down into smaller steps can reduce cognitive load and
facilitate better understanding.
3. Cognitive Processes
Perception:
The process by which individuals interpret sensory information, influenced by experience, expectations, and culture.
Example: Two people might interpret the same ambiguous image differently based on their past experiences.
Memory:
Involves encoding, storage, and retrieval of information.
Types:
1. Short-Term Memory (STM): Holds limited information temporarily.
2. Long-Term Memory (LTM): Stores vast amounts of information for extended periods.
Example: Remembering a phone number for a few seconds (STM) vs. recalling a childhood memory (LTM).
Attention:
The ability to selectively focus on certain aspects of information while ignoring others.
Example: Focused attention in a noisy environment like a busy café.
Language Acquisition:
The process by which humans acquire the ability to perceive, produce, and use words to understand and communicate.
Example: Children learning to speak by mimicking sounds and words used by their parents.
Problem-Solving:
Using cognitive processes to find solutions to complex issues.
Example: Solving a puzzle by identifying patterns and using trial-and-error methods.
Decision-Making:
The process of making choices among alternatives.
Example: Choosing a career path by weighing the pros and cons of different options.
Definition and Scope:
Cognitive psychology is the branch of psychology that studies mental processes including how people perceive, think, remember, and learn.
As a science, it is an analysis of the mind and its processes as compared to behaviours.
Key Components:
Perception: How we interpret sensory information.
Attention: Focused mental engagement.
Memory: Processes involved in storage and retrieval of information.
Language: Communication using structured and conventional patterns of symbols.
Problem-Solving: Cognitive processes to reach a goal.
2. Key Theories in Cognitive Psychology
Information Processing Theory:
Compares the human brain to a computer, suggesting that information is processed in stages (input, storage, and retrieval).
Example: In memory tests, participants remember lists of words by encoding (input), storing them in short-term or long-term memory, and
retrieving them later.
Schema Theory:
Shows how previous experiences shape the way we process new information.
Example: When learning a new language, existing knowledge of one's native language (schema) influences how new vis learned and
understood.
Piaget's Stages of Cognitive Development:
Explains how children’s thinking evolves through distinct stages:
1. Sensorimotor Stage (0-2 yrs): Learning through physical interaction with the environment.
2. Preoperational Stage (2-7 yrs): Development of language and symbolic thinking but still lacking logical reasoning.
3. Concrete Operational Stage (7-11 yrs): Logical thinking about concrete events, understanding of conservation.
4. Formal Operational Stage (12+ yrs): Development of abstract reasoning and hypothetical thinking.
Example: A child in the concrete operational stage understanding the concept of conservation (e.g., recognizing that the amount of liquid
remains the same, despite changing containers).
Cognitive Load Theory:
Relates to how working memory and long-term memory interact and how too much information can overload the cognitive system.
Example: When learning a complex task like a mathematical procedure, breaking it down into smaller steps can reduce cognitive load and
facilitate better understanding.
3. Cognitive Processes
Perception:
The process by which individuals interpret sensory information, influenced by experience, expectations, and culture.
Example: Two people might interpret the same ambiguous image differently based on their past experiences.
Memory:
Involves encoding, storage, and retrieval of information.
Types:
1. Short-Term Memory (STM): Holds limited information temporarily.
2. Long-Term Memory (LTM): Stores vast amounts of information for extended periods.
Example: Remembering a phone number for a few seconds (STM) vs. recalling a childhood memory (LTM).
Attention:
The ability to selectively focus on certain aspects of information while ignoring others.
Example: Focused attention in a noisy environment like a busy café.
Language Acquisition:
The process by which humans acquire the ability to perceive, produce, and use words to understand and communicate.
Example: Children learning to speak by mimicking sounds and words used by their parents.
Problem-Solving:
Using cognitive processes to find solutions to complex issues.
Example: Solving a puzzle by identifying patterns and using trial-and-error methods.
Decision-Making:
The process of making choices among alternatives.
Example: Choosing a career path by weighing the pros and cons of different options.
