Sensation vs. Perception
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Questions and Answers

What is the primary difference between sensation and perception?

Sensation is the detection of physical stimuli through sensory organs, while perception is the brain's interpretation of these sensory inputs.

Describe the process of transduction in sensory systems.

Transduction is the conversion of physical energy from stimuli, such as light or sound, into neural signals that can be interpreted by the brain.

Name the six senses and briefly explain one of them.

The six senses are vision, hearing, touch, taste, smell, and proprioception. Vision enables sight by detecting light, color, and movement.

What role do sensory receptors play in the process of sensation?

<p>Sensory receptors are specialized cells that detect specific stimuli in the environment and convert these signals into neural signals for the brain.</p> Signup and view all the answers

Explain sensory adaptation and provide an example.

<p>Sensory adaptation is the process by which receptors become less sensitive to constant stimuli. An example is becoming used to the smell of a strong perfume.</p> Signup and view all the answers

How do the olfactory bulbs influence emotions and memory?

<p>The olfactory bulbs send signals to the brain's limbic system, which is involved in processing emotions and memory.</p> Signup and view all the answers

What is stress-induced analgesia and why is it important?

<p>Stress-induced analgesia is a mechanism that reduces pain perception during high stress, such as when adrenaline temporarily blocks pain signals.</p> Signup and view all the answers

Define reflexes and give an example of a common reflex action.

<p>Reflexes are automatic responses to stimuli, such as blinking when something approaches the eye.</p> Signup and view all the answers

What differentiates instincts from learned behaviors?

<p>Instincts are inborn and complex behaviors driven by survival, while learned behaviors are acquired through experience, practice, or observation.</p> Signup and view all the answers

What are the three main processes involved in memory?

<p>The three main processes are encoding, storage, and retrieval.</p> Signup and view all the answers

Explain the difference between associative and non-associative learning.

<p>Associative learning involves forming connections between two stimuli or a behavior and its consequence, whereas non-associative learning pertains to changes in response to a single stimulus.</p> Signup and view all the answers

Describe the main outcome of Pavlov's classical conditioning experiment.

<p>Pavlov's classical conditioning demonstrated that dogs could learn to associate a bell (neutral stimulus) with food, resulting in salivation (conditioned response) when hearing the bell.</p> Signup and view all the answers

Describe the difference between declarative and non-declarative memory.

<p>Declarative memory includes explicit memories like facts and personal experiences, while non-declarative memory includes implicit memories like motor skills and conditioned responses.</p> Signup and view all the answers

What are the two types of reinforcement in operant conditioning?

<p>Positive reinforcement involves adding a reward to increase behavior, while negative reinforcement involves removing an unpleasant stimulus to also increase behavior.</p> Signup and view all the answers

What are the Big Five personality traits?

<p>The Big Five traits are openness, conscientiousness, extraversion, agreeableness, and neuroticism.</p> Signup and view all the answers

How did Bandura's Bobo doll experiment demonstrate observational learning?

<p>Children observed adults interacting aggressively with a Bobo doll and subsequently exhibited similar aggressive behaviors themselves.</p> Signup and view all the answers

Explain Freud's Iceberg Model of the psyche.

<p>Freud's Iceberg Model divides the psyche into the id, ego, and superego, representing instincts, reality, and morality respectively.</p> Signup and view all the answers

What is Maslow's Hierarchy of Needs?

<p>Maslow's Hierarchy of Needs is a pyramid structure that categorizes human needs from basic physiological needs to self-actualization.</p> Signup and view all the answers

What distinguishes emotions from moods?

<p>Emotions are temporary, intense feelings, while moods are long-lasting and less intense states.</p> Signup and view all the answers

What role does the DSM-V play in psychology?

<p>The DSM-V provides standardized criteria for diagnosing mental health disorders.</p> Signup and view all the answers

What role does the amygdala play in the emotional response?

<p>The amygdala is crucial for processing emotions, particularly fear, and influences how individuals react to emotionally charged situations.</p> Signup and view all the answers

Identify two types of psychological disorders and give an example of each.

<p>Anxiety disorders include generalized anxiety disorder (GAD) and mood disorders include depression.</p> Signup and view all the answers

What stages of memory are essential for processing emotional experiences?

<p>The main stages of memory include encoding, storage, and retrieval, all of which are affected by emotional experiences linked to the hippocampus.</p> Signup and view all the answers

What is the primary focus of humanistic therapy?

<p>The primary focus of humanistic therapy is to help individuals achieve self-actualization and personal growth.</p> Signup and view all the answers

Study Notes

Sensation vs. Perception

  • Sensation is the detection of physical stimuli (light, sound) through sensory organs.
  • Perception is the brain's organization and interpretation of sensory input.

The Sensory Processes

  • Detection: Sensory organs interacting with stimuli.
  • Transduction: Converting physical energy (light, sound, chemicals) into neural signals.
  • Transmission: Sensory neurons transmitting neural signals to the brain for processing.

Sensory Systems

  • Vision: Eyes detect light, color, and movement.
  • Hearing (Auditory): Ears detect sound and convert into neural signals.
  • Touch (Tactile): Skin receptors detect pressure, temperature, and pain.
  • Taste (Gustatory): Taste buds on tongue recognize different tastes (sweet, salty, sour, bitter, umami).
  • Smell (Olfactory): Nose uses olfactory receptors to detect odors.
  • Proprioception: Sensing body position and balance through receptors in muscles and joints.

Sensory Receptors and Neurons

  • Specialized cells like rods and cones (eyes) or olfactory neurons (nose) detect stimuli and convert them to neural signals.

Sensory Adaptation

  • Receptors become less sensitive to constant stimuli (getting used to a smell or feeling clothes).

Reflexes and Instincts

  • Reflexes are automatic responses (blinking).
  • Instincts are complex, inborn behaviors for survival.

Learned Behaviors

  • Acquired through experience, unlike reflexes.

Associative vs. Non-Associative Learning

  • Associative Learning: Forming connections between stimuli or consequences (e.g., classical and operant conditioning).
  • Non-Associative Learning: Changes in response to a single stimulus; habituation and sensitization.

Classical Conditioning (Pavlov's Experiment)

  • Pavlov's Dogs: Neutral stimulus (bell) associated with a stimulus (food) elicits a conditioned response (salivation).

Operant Conditioning (Skinner's Box)

  • Behavior modified by consequences (reinforcement, punishment).

Observational Learning (Bandura's Bobo Doll)

  • Learning through observation of others' behaviors.

Emotions

  • Emotions are complex reactions with physiological responses, expressive behaviors, and subjective experience.
  • Emotions are temporary and intense; moods are long-lasting and less intense.
  • Primary emotions: happiness, sadness, fear, anger, surprise, disgust (Ekman).

Brain Regions and Emotions

  • Amygdala: Essential for processing emotions, particularly fear.
  • Thalamus: Relays sensory information to the correct brain regions.
  • Hippocampus: Links emotions to memories.

Memory Stages

  • Encoding: Initial conversion of sensory input into memory.
  • Storage: Maintaining memory over time.
  • Retrieval: Accessing and using stored information.

Types of memory

  • Sensory Memory: Brief, immediate sensory information storage
  • Working Memory: Holds and manipulates active information
  • Long-Term Memory: Information stored for extended periods.

Declarative vs. Non-Declarative Memory

  • Declarative: Explicit memories (facts, experiences).
  • Non-declarative: Implicit memories (motor skills, conditioned responses).

Personality

  • Personality: Unique pattern of thoughts, feelings, and behaviors.
  • Big Five Traits: Openness, conscientiousness, extraversion, agreeableness, neuroticism.

Freud's Psychodynamic Theory

  • Id (instincts), ego (reality), superego (morality).
  • Defense mechanisms (repression, denial, projection).

Humanistic Perspective

  • Maslow's Hierarchy of Needs: Physiological to self-actualization.
  • Rogers: Emphasized self-concept, unconditional positive regard.

Psychological Disorders (DSM-V)

  • Diagnostic criteria for mental health disorders.
  • Types of disorders: Anxiety disorders (GAD, panic attacks, phobias, OCD).

Psychotherapy

  • Types of therapy: Family, humanistic, cognitive-behavioral (CBT), psychodynamic.

Stress and Coping

  • Stress is a psychological and physiological response to demands.
  • General Adaptation Syndrome (alarm, resistance, exhaustion).
  • Coping mechanisms (problem-focused, emotion-focused, building resilience).

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Description

This quiz explores the concepts of sensation and perception, focusing on how our sensory organs detect physical stimuli and how the brain interprets these signals. Additionally, it covers various sensory processes, including detection, transduction, and transmission, along with the different sensory systems like vision and hearing.

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