Memory Systems Overview

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Questions and Answers

Which of these are examples of long-term memory?

  • Procedural memory (correct)
  • Short-term memory
  • Episodic memory (correct)
  • Semantic memory (correct)

What is the term for the ability to remember things better when they are presented at the beginning of a list?

Primacy effect

What type of memory is specifically related to personal experiences?

Episodic memory

Semantic memory is a type of implicit memory.

<p>False (B)</p> Signup and view all the answers

The ______ is the process by which an organism learns a new association between two stimuli.

<p>classical conditioning</p> Signup and view all the answers

Which of these statements is TRUE regarding implicit memory?

<p>Implicit memory can be learned without conscious awareness. (A)</p> Signup and view all the answers

Patients with amnesia are always unable to learn new skills or procedures.

<p>False (B)</p> Signup and view all the answers

What is the term used to describe the improvement in memory that occurs when the information being memorized is significantly changed?

<p>Release from proactive interference</p> Signup and view all the answers

Match the following terms with their corresponding descriptions:

<p>Neutral stimulus (NS) = A stimulus that does not elicit a response Unconditioned stimulus (UCS) = Automatically elicits an unconditioned response Unconditioned response (UCR) = A response to a conditioned stimulus Conditioned stimulus (CS) = A stimulus that has been paired with an unconditioned stimulus Conditioned response (CR) = A response that is learned through pairing</p> Signup and view all the answers

Which of the following are examples of short-term memory coding? (Select all that apply)

<p>Remembering the melody of a song you've heard recently (A), Recalling the details of your last conversation (B), Creating a mental picture of a holiday you took (C), Recognizing a specific smell (E)</p> Signup and view all the answers

Which type of memory refers to our knowledge of facts and general information?

<p>Semantic (A)</p> Signup and view all the answers

Which of the following is NOT a characteristic of episodic memory?

<p>General knowledge and facts (A)</p> Signup and view all the answers

What is the most common type of implicit memory?

<p>Procedural (A)</p> Signup and view all the answers

The primacy effect suggests we remember information better when it is presented at the end of a list.

<p>False (B)</p> Signup and view all the answers

Patient H.M.'s surgery removed his hippocampus, which resulted in an inability to form any new long-term memories.

<p>True (A)</p> Signup and view all the answers

What brain region is known to be involved in maintaining novel information in memory during short delays?

<p>Hippocampus (C)</p> Signup and view all the answers

Implicit memory occurs when learning from experience is accompanied by conscious remembering.

<p>False (B)</p> Signup and view all the answers

What type of memory is demonstrated when someone can ride a bike without consciously remembering how they learned to do it?

<p>Procedural</p> Signup and view all the answers

What is the term for the presentation of a priming stimulus that changes a person's response to a test stimulus?

<p>Priming</p> Signup and view all the answers

Classical conditioning is a process of associating two stimuli together.

<p>True (A)</p> Signup and view all the answers

The propaganda effect suggests that people are more likely to rate statements that they have previously heard as being true, regardless of whether they actually heard them before.

<p>True (A)</p> Signup and view all the answers

Which of the following is considered an unconditioned response in classical conditioning?

<p>Salivating in response to seeing food (B)</p> Signup and view all the answers

Amnesia typically affects a person's ability to form new explicit memories, but not their ability to form new implicit memories.

<p>True (A)</p> Signup and view all the answers

What is the process involved in acquiring information and transforming it into memory?

<p>Encoding</p> Signup and view all the answers

What is the process of transferring information from long-term memory to working memory?

<p>Retrieval</p> Signup and view all the answers

What is the repetition of stimuli that maintains information but does not transfer it into long-term memory?

<p>Maintenance rehearsal</p> Signup and view all the answers

What strategy uses meanings and connections to transfer information to long-term memory?

<p>Elaborative rehearsal</p> Signup and view all the answers

Which of the following is NOT an example of shallow processing?

<p>Visualizing the route you take from home to school (C)</p> Signup and view all the answers

According to Craik and Tulving, which of the following processing methods is the deepest?

<p>Fill-in-the-blanks questions (A)</p> Signup and view all the answers

Visual imagery can be used to aid encoding.

<p>True (A)</p> Signup and view all the answers

The self-reference effect happens when you relate information back to yourself.

<p>True (A)</p> Signup and view all the answers

The generation effect is when you passively receive information.

<p>False (B)</p> Signup and view all the answers

Retrieval practice involves answering practice test questions.

<p>True (A)</p> Signup and view all the answers

Highlighting is an effective studying technique.

<p>False (B)</p> Signup and view all the answers

Elaborative interrogation involves asking "why" to help create deeper understanding and explanations.

<p>True (A)</p> Signup and view all the answers

Retrieval refers to the process of transforming information from long-term memory back into working memory.

<p>True (A)</p> Signup and view all the answers

Matching encoding and retrieval conditions refers to matching the context of encoding and retrieval.

<p>False (B)</p> Signup and view all the answers

Retrieval cues can help us remember specific information stored in memory.

<p>True (A)</p> Signup and view all the answers

The state-dependent learning is a concept that explains how our internal mood can affect our retrieval of memories.

<p>True (A)</p> Signup and view all the answers

Transfer appropriate processing involves matching the task or type of processing involved during encoding and retrieval.

<p>True (A)</p> Signup and view all the answers

The "illusion of learning" occurs when we overestimate our ability to remember information.

<p>True (A)</p> Signup and view all the answers

Consolidation is the process converting new memories from a fragile state to a more permanent state.

<p>True (A)</p> Signup and view all the answers

Over time, memories can become altered in the consolidation process.

<p>True (A)</p> Signup and view all the answers

Synaptic consolidation takes place over minutes or hours.

<p>True (A)</p> Signup and view all the answers

Systems consolidation takes place over months or years.

<p>True (A)</p> Signup and view all the answers

The hippocampus is only involved in the retrieval of recent memories.

<p>False (B)</p> Signup and view all the answers

The hippocampus is activated at a different speed and at a different level of the nervous system compared to other areas of the brain.

<p>True (A)</p> Signup and view all the answers

The strengthening of connections between existing neurons can lead to Long-Term Potentiation (LTP).

<p>True (A)</p> Signup and view all the answers

The standard model of consolidation suggests that connections between the cortex and hippocampus are initially weak.

<p>False (B)</p> Signup and view all the answers

Cross-cortical consolidation refers to the formation of connections between cortical areas.

<p>True (A)</p> Signup and view all the answers

Sleep can enhance memory consolidation.

<p>True (A)</p> Signup and view all the answers

Sleep prevents interference from environmental stimuli.

<p>True (A)</p> Signup and view all the answers

Memories consolidated during sleep are more likely to be recalled later.

<p>True (A)</p> Signup and view all the answers

Stickgold and Walker (2013) proposed that emotional value of memories can influence their priority for consolidation during sleep.

<p>True (A)</p> Signup and view all the answers

Retrograde amnesia is a type of memory loss that affects events prior to a traumatic incident.

<p>True (A)</p> Signup and view all the answers

Graded amnesia refers to loss of memory for recent events only, while remote memories remain intact.

<p>False (B)</p> Signup and view all the answers

Reconsolidation is the process of retrieving memories, making them fragile, and then consolidating them again.

<p>True (A)</p> Signup and view all the answers

The rat experiment by Nader and colleagues (2000) demonstrated that reactivated memories can be reconsolidated.

<p>True (A)</p> Signup and view all the answers

Human reconsolidation experiment by Hupbach and colleagues (2007) confirms that memories are constantly being remodeled in response to learning and experiences.

<p>True (A)</p> Signup and view all the answers

Posttraumatic stress disorder can trigger severe emotional responses to traumatic memories, leading to involuntary retrieval of those memories.

<p>True (A)</p> Signup and view all the answers

The episodic memory performance remains stable until 60 years; after that, it gradually declines.

<p>True (A)</p> Signup and view all the answers

Semantic memory performance increases steadily until 60 years and then decreases.

<p>True (A)</p> Signup and view all the answers

Semantic memory can influence our perception of events.

<p>True (A)</p> Signup and view all the answers

Explicit memory includes both episodic and semantic memories.

<p>True (A)</p> Signup and view all the answers

Autobiographical memories are only semantic in nature.

<p>False (B)</p> Signup and view all the answers

Episodic memories are more likely to fade into semantic memories over time.

<p>True (A)</p> Signup and view all the answers

Personal semantic memories have personal significance.

<p>True (A)</p> Signup and view all the answers

The forgetting process is all-or-nothing in nature.

<p>False (B)</p> Signup and view all the answers

Recollection refers to semantic memory retrieval.

<p>False (B)</p> Signup and view all the answers

Semanticization of remote memories occurs when we lose episodic details and retain only general knowledge about the event.

<p>True (A)</p> Signup and view all the answers

Implicit memory requires conscious effort to recall information.

<p>False (B)</p> Signup and view all the answers

Procedural memory often involves motor skills, such as riding a bike.

<p>True (A)</p> Signup and view all the answers

Patients with amnesia can still learn new skills.

<p>True (A)</p> Signup and view all the answers

Priming involves presenting a test stimulus and observing a person's response.

<p>True (A)</p> Signup and view all the answers

Repetition priming occurs when the test stimulus is the same or similar to the priming stimulus.

<p>True (A)</p> Signup and view all the answers

Amnesic patients performed worse than medical inpatients and alcoholic controls on recall tests.

<p>True (A)</p> Signup and view all the answers

Incidental encoding tasks are designed to minimize the chances that people with normal memory will remember the priming stimulus.

<p>True (A)</p> Signup and view all the answers

The "propaganda effect" suggests that people are more likely to rate statements as true if they have already read or heard them before.

<p>True (A)</p> Signup and view all the answers

Classical conditioning involves associating two stimuli, one of which elicits a reflex response.

<p>True (A)</p> Signup and view all the answers

Conditioning in real-life scenarios is often linked to emotional reactions.

<p>True (A)</p> Signup and view all the answers

Ivan Pavlov won the Nobel Prize in physiology for his work on digestion.

<p>True (A)</p> Signup and view all the answers

An unconditioned stimulus is a stimulus that elicits an unconditioned response.

<p>True (A)</p> Signup and view all the answers

A conditioned stimulus is a stimulus that becomes associated with an unconditioned stimulus.

<p>True (A)</p> Signup and view all the answers

Patients who have lost their episodic memory are often unable to imagine personal future events.

<p>True (A)</p> Signup and view all the answers

Addis et al. (2007) found that the brain regions active during past events were also active during future events.

<p>True (A)</p> Signup and view all the answers

The constructive episodic simulation hypothesis proposes that episodic memories can be used to create simulations of future events.

<p>True (A)</p> Signup and view all the answers

Our ability to simulate future events can help us anticipate future needs and guide our behavior.

<p>True (A)</p> Signup and view all the answers

What are the three main categories of long-term memory?

<p>Episodic, semantic, and procedural</p> Signup and view all the answers

Which of these is an example of episodic memory?

<p>Remembering your first day of school (B)</p> Signup and view all the answers

Which of these is an example of semantic memory?

<p>Knowing the capital of France (C)</p> Signup and view all the answers

Which of these is an example of procedural memory?

<p>Solving a Rubik's Cube (A)</p> Signup and view all the answers

The serial position curve demonstrates that items at the beginning of a list are more likely to be remembered than items at the end.

<p>False (B)</p> Signup and view all the answers

What does the 'encoding specificity' principle refer to?

<p>The idea that memory retrieval is enhanced when the conditions at recall match the conditions at encoding.</p> Signup and view all the answers

What is the difference between 'consolidation' and 'reconsolidation'?

<p>Consolidation is the process of transforming new memories into a more permanent state, while reconsolidation refers to the process of updating and strengthening a retrieved memory.</p> Signup and view all the answers

What is the 'propaganda effect'?

<p>The tendency to rate statements previously read or heard as being more likely to be true, even if they are false.</p> Signup and view all the answers

What are the key components of classical conditioning?

<p>The neutral stimulus (NS), unconditioned stimulus (UCS), unconditioned response (UCR), conditioned stimulus (CS), and conditioned response (CR).</p> Signup and view all the answers

Patients who have lost their episodic memory due to brain damage are unable to imagine personal future events.

<p>True (A)</p> Signup and view all the answers

Flashcards

Short-term memory (STM)

A memory system that holds information for a brief period, typically a few seconds.

Long-term memory (LTM)

A memory system that stores information for extended periods, potentially a lifetime.

Episodic memory

Memory for personal experiences, like a specific trip to the cafe.

Semantic memory

Memory for facts and general knowledge.

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Procedural memory

Memory for skills and actions, like riding a bike.

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Serial position effect

The tendency to better remember items from the beginning (primacy) or end (recency) of a list.

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Primacy effect

Improved memory for items at the beginning of a list.

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Recency effect

Improved memory for items at the end of a list.

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Visual coding

Representing information as images.

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Auditory coding

Representing information as sounds.

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Semantic coding

Representing information based on meaning.

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Release from proactive interference

Improved memory after a change in the information being memorized.

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Recognition memory

Identifying previously encountered stimuli.

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Implicit memory

Memory for tasks or experiences without conscious awareness.

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Explicit memory

Memory with conscious recall; facts and events.

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Hippocampus

Brain region crucial for forming new long-term memories.

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Working Memory

The cognitive system that temporarily stores and manipulates information.

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Double dissociation

Damage to one brain area affects function A, not function B.

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Autobiographical memory

Memory for personal experiences from one's own life, combining episodic & semantic.

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Classical conditioning

Learning through association between stimuli.

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Priming

Enhanced response to a stimulus due to prior exposure.

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Memory Systems Division

Categorizing memory into distinct types, like short-term and long-term memory.

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Memory Systems Interaction

Different memory types work together and share underlying mechanisms.

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Working Memory and LTM

Working memory interacts closely with long-term memory to process and store new information.

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Serial Position Curve

A pattern of remembering items from a list, showing better recall for early (primacy) and late (recency) items.

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Coding in Memory Systems

The way information is represented in memory, such as visually, auditorily, or semantically.

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Patient H.M

A patient with amnesia due to hippocampus removal, unable to form new long-term memories but with intact short-term memory.

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Patient K.F

A patient with impaired short-term memory due to parietal lobe damage, but intact long-term memory.

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Episodic and Semantic LTM Distinctions

While both are explicit memories, episodic memory involves mental time travel, while semantic memory focuses on general knowledge.

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Mental Time Travel

The ability to mentally relive past experiences, a hallmark of episodic memory.

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Episodic and Semantic LTM Double Dissociation

Damage to the hippocampus can impair episodic memory without affecting semantic memory, while brain damage can selectively affect semantic memory without affecting episodic memory.

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Knowledge and Experience

Semantic memory (knowledge) influences how we perceive and remember our experiences (episodic memory).

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Episodic to Semantic Memory Conversion

Episodic memories can fade over time, leaving only semantic memories.

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Semantic Memory Enhancement Through Episodic Memory

Episodic memories, particularly autobiographical ones, can strengthen semantic memory by creating personal connections to facts.

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Autobiographically Significant Semantic Memories

Semantic memories that are connected to personal experiences, leading to better recall.

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Episodic and Semantic Memory Over Time

Forgetting increases with time, but memory fades gradually, leaving behind traces of familiarity (semantic) and recollection (episodic).

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Remember/Know Procedure

A method to assess the type of memory by asking participants whether they remember a specific experience or just know a fact.

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Semanticization of Remote Memories

The loss of episodic detail over time for events that happened long ago, leaving only semantic knowledge.

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Constructive Episodic Simulation Hypothesis

The idea that episodic memories are used to create imagined future events, helping us anticipate and prepare.

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Study Notes

Memory Systems

  • Memory systems are divided into different types, such as short-term and long-term memory.
  • Long-term memory includes episodic, semantic, and procedural memory.
  • Episodic memory involves personal experiences (mental time travel).
  • Semantic memory involves facts and general knowledge.
  • Memory systems interact and share mechanisms.
  • Information can be coded visually, auditorily, or semantically in short-term and long-term memory.
  • Example visual coding: mentally creating a picture
  • Example auditory coding: playing a song in one's head
  • Example semantic coding: storing meaning of words.

Long-Term Memory Types

  • Long-term memory stores information from a few moments ago to a lifetime.
  • More recent memories are more detailed than older memories.
  • Autobiographical memory combines episodic (personal events) with semantic (factual) components.
  • Explicit memories are conscious, like episodic and semantic.
  • Implicit memories are unconscious, include procedural memory (skills), priming (change in response), and conditioning (learned association).

Serial Position Curve

  • Serial position curve: analyzing memory recall based on order of presentation.
  • Primacy effect: better recall of items at the beginning of a list (rehearsal in LTM).
  • Recency effect: better recall of items at the end of a list (still in working memory).

Coding in STM and LTM

  • STM and LTM differ in how information is coded (represented).
  • Visual coding (images), auditory coding (sounds), and semantic coding (meaning).

Memory and the Brain

  • Patient H.M.: surgery removed hippocampus, inability to transfer information to LTM, but STM remained intact.
  • Patient K.F., parietal lobe damage, showed double dissociation.
  • Hippocampus is involved in maintaining novel or new information during short delays in memory.
  • Episodic and semantic memory belong to explicit memory and can be conscious and deliberate.
  • Different brain regions active during remembering past events and imagining the future.

Memory Performance Over Time

  • Episodic memory performance is constant until around age 60, then it declines.
  • Semantic memory increases until around age 60, then it stays stable or slightly declines.
  • Knowledge of a topic influences how we experience an event
  • Autobiographical memory: memories of personal episodes.
  • Explicit memories (episodic and semantic) & Implicit memories (procedural, priming & conditioning).

Implicit Memory

  • Implicit memory occurs without conscious recollection.
  • Procedural memory: knowing how to do things (e.g., riding a bike).
  • Priming: changes in response to a stimulus due to prior exposure.
  • Conditioning: learning association between two stimuli
  • Amnesiac patients show little loss of implicit memory (especially procedural).

Classical Conditioning

  • Classical conditioning: associating a neutral stimulus with a stimulus that naturally evokes a response.
  • Unconditioned stimulus (UCS), unconditioned response (UCR), conditioned stimulus (CS), conditioned response (CR).
  • Neutral stimuli paired with UCS to create CS eventually triggering CR.

Constructive Episodic Simulation Hypothesis

  • Combining episodic memories to simulate future events.
  • Helps anticipate future needs and guide future behaviours.

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