A person considering a move can picture the route to a new workplace, imagine how a conversation with a neighbor might go, and think through what would happen if the move failed. None of those events has occurred. Each uses information already available to construct a possibility. Imagination is this broad capacity to generate representations that are not directly present to the senses. It can support planning, art, empathy, and play, but it can also produce frightening predictions. Its value depends on what is constructed, how it is tested, and how it is used.
A family of capacities, not a single picture
Imagination is sometimes used as though it meant seeing an image in the mind. Visual mental imagery is one form, but the category is wider. A person can imagine a melody, the feel of a movement, a possible rule for a game, or a future conversation without a vivid visual scene. They may use language, spatial relations, bodily sensations, or abstract propositions. A definition confined to pictures would miss much of the activity the word is meant to describe. Research therefore needs to name the form of imagination being studied.
It also helps to distinguish imagining from perceiving and remembering. Perception is constrained by current sensory input, although interpretation still shapes it. Remembering attempts to reconstruct a past occurrence, although memory is not a recording. Imagining can recombine details into an event that never happened or has not yet happened. These activities can draw on overlapping processes without being identical. A participant describing yesterday’s walk and a participant constructing tomorrow’s walk may use similar places and objects while answering different questions about reality.
Imagining a possibility is not endorsing it as likely. A person can picture a bridge collapsing while judging the risk to be extremely low. Conversely, they can believe a career change is probable without forming a vivid scene. The distinction matters in education and clinical settings: a vivid image may feel convincing, yet vividness alone is not evidence. Good reasoning keeps track of whether a representation is a memory, a forecast, an invention, or a counterfactual alternative.
Constructing scenes from experience
Research on episodic future thinking has examined how people imagine particular events that could occur in their own lives. Schacter, Addis, and Buckner proposed that stored information can be recombined to simulate possible future experiences. The proposal connects memory with foresight without claiming that future events are simply remembered in reverse. To imagine the move, a person may draw on a previous commute, a photograph of the neighborhood, and knowledge of the new job, then combine them in a scene that has never existed.
Addis, Wong, and Schacter compared remembering past events with imagining future events during event construction and elaboration. Their neuroimaging study found overlapping and distinct patterns across these tasks. This supports a relationship between remembering and imagining, but overlapping activation does not prove that the two mental activities have the same content or accuracy. Scanner tasks also simplify the rich settings in which real decisions occur. The result is best read as evidence about processes recruited by specific experimental instructions.
Hassabis and colleagues tested people with hippocampal amnesia using cues for imagined commonplace experiences. Relative to matched controls, the patients’ imagined experiences were more fragmented and lacked spatial coherence. This finding suggests a role for the hippocampus in constructing coherent scenes. It does not mean that every kind of imagination requires a fully intact hippocampus or that all people with memory impairment have no creative thought. The sample and task concerned a particular form of scene construction.
A scene is more than a list of objects. To imagine sitting in a cafe, the person has to relate tables, voices, light, and their own viewpoint in a coherent setting. That integration may help them notice practical constraints: a wheelchair route, the time required to cross the room, or the noise level for a conversation. Yet scenes can omit information the person has not encountered. An imagined future can feel complete while quietly excluding costs, other people’s choices, or unexpected events.
Visual imagery and variation between people
Pearson’s review describes visual mental imagery as a process involving distributed brain systems, including frontal and sensory regions, and notes its relationship with perception. Experiments can measure more than a person’s self-report, but no single measure captures the full subjective experience of an image. Imagery may influence perception-like tasks while remaining weaker or less stable than seeing an actual object. Researchers should avoid treating a self-rated vividness score as a direct measure of intelligence or practical foresight.
People differ substantially in the vividness of voluntary visual imagery. Work on aphantasia makes an important distinction: a person who reports little or no visual image may still understand visual concepts, reason about space, create art, and imagine possibilities through other means. The absence of a picture-like experience should not be interpreted as a general absence of imagination. Equally, exceptionally vivid imagery does not guarantee a better forecast or a more creative idea. Task demands and strategies matter.
That variation has practical implications. A teacher who says “close your eyes and see the answer” may offer a useful tool for some learners and an unhelpful instruction for others. A broader invitation can ask learners to describe relationships, draw a diagram, move objects, list possibilities, or tell a story. The goal is to support construction and testing of an idea, not to require a particular inner sensory experience. Multiple routes can make the exercise more accessible without claiming that all routes produce identical effects.
Possibility, counterfactuals, and decisions
Imagination extends beyond the future. A counterfactual asks how an actual event might have gone differently: what if the meeting had started earlier, or the warning sign had been clearer? Schacter and colleagues connected episodic future and counterfactual thinking as related but distinguishable uses of constructive memory. Both can rearrange elements of experience. One aims at a possible future; the other changes a known past. Neither automatically identifies a true cause. A counterfactual that feels easy to imagine can still be unrealistic.
Counterfactuals can help people learn when they expose a controllable mechanism. If a team missed a deadline because information was routed through one absent person, imagining a shared handover may lead to a testable process change. But repeated “if only” thoughts can also intensify regret without finding an action. The usefulness of imagination depends on whether the alternative is plausible, whether it addresses the real constraint, and whether the person can act on it. Emotion and action should be measured separately.
Future simulation can make an option concrete. A person deciding whether to attend a training course may imagine travel, childcare, the class itself, and the benefit afterward. This can reveal missing logistical steps. It can also introduce bias: a detailed success scenario may hide failure probabilities, while a frightening scene may exaggerate them. The constructive process should be paired with external information, other perspectives, and opportunities to revise. Imagination is a planning instrument, not a substitute for evidence.
A useful exercise asks for more than one scenario. What is the most likely path, what would make it easier, and what obstacle would change the plan? Comparing alternatives can expose assumptions that a single vivid story leaves concealed. Still, the exercise is only as good as the information available. If fees, eligibility rules, or the availability of a place are unknown, the person needs those facts before judging the option. Imagination can generate questions for investigation; it cannot answer every question by itself.
Imagination in social and creative life
Social understanding often requires imagining another person’s situation. This can help someone ask a more considerate question or anticipate a practical barrier. Yet one person’s imagined account of another’s feelings may be wrong. The respectful step is to check the interpretation when possible rather than treating private simulation as access to another mind. The same principle applies to designers imagining users: the imagined user can generate hypotheses, but observation and conversation are needed to test them.
Creative work can involve generating alternatives, combining familiar elements in unfamiliar ways, and evaluating whether the result serves a purpose. Imagining an unusual connection is only one stage. A composer, engineer, or storyteller also chooses, revises, and checks the work against musical, physical, or narrative constraints. Describing imagination as effortless inspiration hides the importance of knowledge and iteration. The person who imagines a new bridge still needs calculations and construction tests.
Play and fiction let people explore possibilities without committing to them as facts. A child can assign a box the role of a spaceship; an adult can read a novel and enter a character’s situation. Such activities may invite perspective-taking or experimentation, but their effects depend on content and context. It would overstate the evidence to claim that any imaginative activity reliably increases empathy or creativity. The more defensible claim is that imagined alternatives can provide material for reflection, practice, and communication.
How to study and use imagination responsibly
Imagination can also be scaffolded by shared tools. A map, storyboard, prototype, or written schedule makes a private possibility available for other people to inspect. They may notice a missing step or propose an alternative the original person could not see. External representation does not replace imagination; it gives the imagined idea constraints and feedback. This matters when a decision affects several people. A family considering a move or a team redesigning a service can compare different imagined futures while keeping track of whose experience was included and whose was absent.
The ethical boundary is equally important. Asking someone to imagine a traumatic event or feared outcome may be distressing, and a classroom or workplace exercise should not require disclosure of private experiences. Participants can choose a neutral example or decline the exercise. Researchers need to distinguish an unwanted intrusive image from a voluntary, controlled simulation. The fact that both involve representations of absent events does not make them interchangeable, and evidence about one should not be used to prescribe the other.
Different studies ask participants to rate image vividness, describe details of an imagined event, perform imagery-based perceptual tasks, or produce novel solutions. These measures capture different capacities. A rich verbal description can reflect language skill as well as scene construction. A laboratory perceptual effect can show imagery influencing a task without showing whether the person can plan a complex life event. A creative product must be evaluated against criteria that include usefulness or fit, not merely novelty.
Time also matters. A spontaneous fearful image, an intentional rehearsal of a conversation, and a day spent revising a design are different processes. A one-time rating cannot reveal whether imagination helped a later decision. A stronger study can record what was imagined, how it changed after feedback, and whether the person used it to select or carry out an action. It should compare the imaginative exercise with a credible alternative and distinguish immediate feelings from longer-term outcomes.
In practice, an imagined scenario can be treated as a draft model. State the purpose, identify what was borrowed from experience, and note what remains unknown. Ask which assumptions could be checked with a person, a document, a measurement, or a small experiment. If the scenario is about someone else’s life, invite correction. If it concerns a serious health or financial decision, bring in qualified information. This approach preserves the flexibility of imagination while resisting the illusion that a compelling scene must be true.
For the prospective mover, imagination may reveal that the new route conflicts with school pickup or that a conversation with the landlord needs preparation. These are useful discoveries only if checked against schedules, costs, and other people’s actual commitments. An imagined future can guide attention toward those questions. It should remain open to revision when reality supplies an answer.
What the evidence does not show
Research does not show that imagination is one indivisible faculty, that everyone forms vivid visual pictures, or that vividness predicts the quality of a decision. Evidence linking memory and future simulation does not establish that every imaginative act depends on the same brain system. A study of scene construction in amnesia cannot be generalized to all creativity. Neural overlap is informative but does not prove that remembering and forecasting are identical. Claims about benefits require a defined task, comparison, outcome, and timescale.
Imagination gives people a way to represent what is absent and explore what might be possible. Its strength is constructive flexibility; its weakness is that a constructed possibility can feel more complete or certain than it is. It becomes most useful when people can revise it, compare alternatives, and test the parts that matter in the world.
Research references
- Hassabis, D., Kumaran, D., Vann, S. D., & Maguire, E. A. (2007). Patients with hippocampal amnesia cannot imagine new experiences. Proceedings of the National Academy of Sciences, 104, 1726–1731. View source
- Addis, D. R., Wong, A. T., & Schacter, D. L. (2007). Remembering the past and imagining the future: Common and distinct neural substrates during event construction and elaboration. Neuropsychologia, 45, 1363–1377. View source
- Schacter, D. L., Addis, D. R., & Buckner, R. L. (2007). Remembering the past to imagine the future: The prospective brain. Nature Reviews Neuroscience, 8, 657–661. View source
- Pearson, J. (2019). The human imagination: The cognitive neuroscience of visual mental imagery. Nature Reviews Neuroscience, 20, 624–634. View source
- Schacter, D. L., Benoit, R. G., De Brigard, F., & Szpunar, K. K. (2015). Episodic future thinking and episodic counterfactual thinking: Intersections between memory and decisions. Neurobiology of Learning and Memory, 117, 14–21. View source
- Keogh, R., Pearson, J., & Zeman, A. (2021). Aphantasia: The science of visual imagery extremes. Handbook of Clinical Neurology, 178, 277–296. View source