Achievable logoAchievable logo
MCAT
Sign in
Sign up
Purchase
Textbook
Practice exams
Support
How it works
Exam catalog
Mountain with a flag at the peak
Textbook
Introduction
1. CARS
2. Psych/soc
2.1 Sensing the environment
2.2 Making sense of the environment
2.2.1 Attention
2.2.2 Cognition, cognitive development and issues
2.2.3 Intelligence/intellectual ability
2.2.4 Consciousness and sleep
2.2.5 Conscious-altering drugs and drug addiction
2.2.6 Memory and processing, sensory and short-term memory
2.2.7 Working and long-term memory, forgetting
2.2.8 Memory dysfunction, neural networks and plasticity
2.2.9 Language
2.3 Responding to the world
2.4 Individual influences on behavior
2.5 Social processes and human behavior
2.6 Attitude and behavior change
2.7 Self-identity
2.8 Psych/soc factors affecting interaction and perception
2.9 Elements of social interaction
2.10 Understanding social structure
2.11 Demographic characteristics and processes
2.12 Social inequality
3. Bio/biochem
4. Chem/phys
Wrapping up
Achievable logoAchievable logo
2.2.1 Attention
Achievable MCAT
2. Psych/soc
2.2. Making sense of the environment

Attention

3 min read
Font
Discuss
Share
Feedback

Overview of cognitive processes

Our understanding of the world is shaped by awareness, thoughts, knowledge, and memories. It also depends on how you solve problems, make decisions, form judgments, and communicate. These mental processes are influenced by psychological, sociocultural, and biological factors. Together, these influences help construct your experience of reality and guide how you perceive and respond to your environment.

This area of study focuses on key parts of cognition, including consciousness, cognitive development, problem solving, decision making, intelligence, memory, and language.

Attention

Attention is a core part of cognition. It lets you focus on certain stimuli while filtering out others. You can think about attention in several related ways:

Selective attention: This is the process of concentrating on one task or stimulus while ignoring competing inputs.

  • Example: Focusing on a friend’s conversation in a noisy café while tuning out background chatter.

Theories of selective attention:

  • Broadbent’s filter model: Suggests that sensory information is filtered early, so only selected inputs are processed further. However, it struggles to explain why some unattended information (like hearing one’s name) still gets processed.
  • Treisman’s attenuation model: Proposes that unattended information isn’t completely blocked. Instead, it’s weakened, so important details can still capture attention.
  • Deutsch and Deutsch late selection theory: Argues that all information is processed to some extent, with selective attention determining what reaches conscious awareness.
  • The cocktail party effect: Demonstrates how personally relevant stimuli, such as one’s own name, can unexpectedly draw focus even in a noisy environment.

Divided attention:

This refers to the ability to manage multiple tasks at once. Example: Attempting to drive while talking on the phone - often resulting in reduced performance.

Key points include:

  • Task difficulty: Easier or well-practiced tasks use fewer cognitive resources, which makes it easier to split attention.
  • Resource model of attention: Because cognitive resources are limited, doing multiple demanding tasks can reduce performance on one or both tasks.

Automatic vs. controlled processing:

  • Automatic processing: Involves tasks that require minimal conscious effort and can become habitual over time (e.g., walking).
  • Controlled processing: Involves tasks that require focused attention and effort, especially when you’re dealing with new or complex challenges (e.g., solving a math problem).

Applications and examples Research on attention often examines multitasking - for example, trying to do two tasks at the same time (like texting while driving). Researchers use experimental designs to measure outcomes such as reaction time under different attention conditions. These studies show how selective and divided attention operate in real-world situations and help inform strategies for reducing cognitive overload.

Overview of cognitive processes

  • Cognition shaped by awareness, thoughts, knowledge, memories
  • Influenced by psychological, sociocultural, biological factors
  • Key areas: consciousness, cognitive development, problem solving, decision making, intelligence, memory, language

Attention

  • Focuses on certain stimuli, filters out others
  • Central to cognition and perception

Selective attention

  • Concentrating on one stimulus, ignoring others
  • Theories:
    • Broadbent’s filter model: early filtering of sensory input
    • Treisman’s attenuation model: unattended info weakened, not blocked
    • Deutsch and Deutsch late selection: all info processed, attention selects for awareness
  • Cocktail party effect: personally relevant info (e.g., name) can capture attention

Divided attention

  • Managing multiple tasks simultaneously
  • Task difficulty: easier tasks require fewer resources, easier to split attention
  • Resource model: limited cognitive resources, multitasking reduces performance

Automatic vs. controlled processing

  • Automatic: minimal conscious effort, habitual tasks
  • Controlled: focused attention, effortful, new or complex tasks

Applications and examples

  • Multitasking research: measures reaction time, performance under divided attention
  • Findings inform strategies to reduce cognitive overload

Sign up for free to take 3 quiz questions on this topic

All rights reserved ©2016 - 2026 Achievable, Inc.

Attention

Overview of cognitive processes

Our understanding of the world is shaped by awareness, thoughts, knowledge, and memories. It also depends on how you solve problems, make decisions, form judgments, and communicate. These mental processes are influenced by psychological, sociocultural, and biological factors. Together, these influences help construct your experience of reality and guide how you perceive and respond to your environment.

This area of study focuses on key parts of cognition, including consciousness, cognitive development, problem solving, decision making, intelligence, memory, and language.

Attention

Attention is a core part of cognition. It lets you focus on certain stimuli while filtering out others. You can think about attention in several related ways:

Selective attention: This is the process of concentrating on one task or stimulus while ignoring competing inputs.

  • Example: Focusing on a friend’s conversation in a noisy café while tuning out background chatter.

Theories of selective attention:

  • Broadbent’s filter model: Suggests that sensory information is filtered early, so only selected inputs are processed further. However, it struggles to explain why some unattended information (like hearing one’s name) still gets processed.
  • Treisman’s attenuation model: Proposes that unattended information isn’t completely blocked. Instead, it’s weakened, so important details can still capture attention.
  • Deutsch and Deutsch late selection theory: Argues that all information is processed to some extent, with selective attention determining what reaches conscious awareness.
  • The cocktail party effect: Demonstrates how personally relevant stimuli, such as one’s own name, can unexpectedly draw focus even in a noisy environment.

Divided attention:

This refers to the ability to manage multiple tasks at once. Example: Attempting to drive while talking on the phone - often resulting in reduced performance.

Key points include:

  • Task difficulty: Easier or well-practiced tasks use fewer cognitive resources, which makes it easier to split attention.
  • Resource model of attention: Because cognitive resources are limited, doing multiple demanding tasks can reduce performance on one or both tasks.

Automatic vs. controlled processing:

  • Automatic processing: Involves tasks that require minimal conscious effort and can become habitual over time (e.g., walking).
  • Controlled processing: Involves tasks that require focused attention and effort, especially when you’re dealing with new or complex challenges (e.g., solving a math problem).

Applications and examples Research on attention often examines multitasking - for example, trying to do two tasks at the same time (like texting while driving). Researchers use experimental designs to measure outcomes such as reaction time under different attention conditions. These studies show how selective and divided attention operate in real-world situations and help inform strategies for reducing cognitive overload.

Key points

Overview of cognitive processes

  • Cognition shaped by awareness, thoughts, knowledge, memories
  • Influenced by psychological, sociocultural, biological factors
  • Key areas: consciousness, cognitive development, problem solving, decision making, intelligence, memory, language

Attention

  • Focuses on certain stimuli, filters out others
  • Central to cognition and perception

Selective attention

  • Concentrating on one stimulus, ignoring others
  • Theories:
    • Broadbent’s filter model: early filtering of sensory input
    • Treisman’s attenuation model: unattended info weakened, not blocked
    • Deutsch and Deutsch late selection: all info processed, attention selects for awareness
  • Cocktail party effect: personally relevant info (e.g., name) can capture attention

Divided attention

  • Managing multiple tasks simultaneously
  • Task difficulty: easier tasks require fewer resources, easier to split attention
  • Resource model: limited cognitive resources, multitasking reduces performance

Automatic vs. controlled processing

  • Automatic: minimal conscious effort, habitual tasks
  • Controlled: focused attention, effortful, new or complex tasks

Applications and examples

  • Multitasking research: measures reaction time, performance under divided attention
  • Findings inform strategies to reduce cognitive overload