Human engagement with art, music, and novel environments relies on an intricate neurobiological negotiation between sensory stimulation and subjective pleasure. At the heart of experimental aesthetics lies the insight that mild-to-moderate elevations in physiological activation do not merely accompany curiosity; they actively generate positive hedonic reward. Investigating the cognitive architecture of motivation reveals how sensory properties captivate attention and systematically modulate central nervous system functioning.
Arousal-Boost Mechanism
1. Concise Definition
The arousal-boost mechanism denotes a psychobiological process wherein a gradual, moderate increase in general physiological arousal, induced by contact with novel, complex, or ambiguous stimuli, yields a directly measurable positive hedonic effect (subjective pleasure). Formulated within the framework of experimental aesthetics, this construct explains why human observers actively seek out stimulating cognitive and sensory challenges rather than settling into quiescent equilibrium.
Unlike drive-reduction paradigms that construe tension increase as inherently aversive, the arousal-boost mechanism postulates that upward excursions in cortical and autonomic activation stimulate primary reward systems. When sensory input introduces moderate increments of uncertainty or structural complexity, the organism experiences this moderate uptick in physiological tone as intrinsically rewarding, cultivating exploratory behavior and sustained attention.
In aesthetic, musical, and narrative contexts, this mechanism functions as an engine of continuous engagement. It operates up to an optimal physiological set point; so long as arousal levels remain within tolerable, non-threatening bounds, the ascent in arousal potential directly fuels fascination, artistic appreciation, and intellectual vitality.
2. Etymology & Linguistic Origin
The compound noun phrase arousal-boost mechanism originated in twentieth-century Anglo-American experimental psychology and psychobiology. The root term arousal derives from the Middle English verb arousen, a blend of the prefix a- (intensifier denoting awakening or motion upward) and the Scandinavian-derived verb rousen (to shake, stir up, or awaken from sleep or lethargy). In mid-twentieth-century neurophysiology, the term was formalized to denote generalized wakefulness and non-specific activation of the cerebral cortex mediated by the brainstem.
The noun boost entered the English lexicon in early nineteenth-century American colloquial speech, meaning an upward push, lift, or elevation from below. In technical psychobiological terminology, British-Canadian psychologist Daniel E. Berlyne paired “arousal” with “boost” in his 1967 and 1971 foundational monographs, most notably Aesthetics and Psychobiology (1971), to formalize the positive increment in hedonic tone resulting from heightened psychophysiological activation. The word mechanism derives through Latin mechanisma from the Ancient Greek mēchanē (μηχανή), signifying an instrument, contrivance, or structured operational process. Berlyne deployed the combined term to designate the precise neural and behavioral apparatus that renders stimulation-seeking inherently pleasurable.
3. Pronunciation & Grammatical Form
In standard international phonetic notation, the phrase is transcribed as /& তাৎ;raʊ.z& তাৎ;l buːst & #712;m& #603;k.& #601;.n& #618;.z& #601;m/. The lexical stress falls on the second syllable of “arousal” (a-ROU-sal), on the primary vowel of “boost” (/buːst/), and on the initial syllable of “mechanism” (MECH-a-nis-m).
Grammatically, the term functions as a countable, compound technical noun phrase. It is regularly employed with definite and indefinite determiners (e.g., “the arousal-boost mechanism,” “an arousal-boost mechanism”). In scholarly prose, it appears predominantly as a singular theoretical construct. When used adjectivally to modify subsequent terms, hyphenation is standard: “arousal-boost effects,” “the arousal-boost hypothesis,” or “arousal-boost dynamics.” Its conceptual counterpart in psychobiological literature is the arousal-jag mechanism, and it should not be conflated with the broader concept of generalized arousal reduction.
4. Detailed Conceptual Explanation
The arousal-boost mechanism constitutes a cornerstone of psychobiological motivation, postulating that positive hedonic value is not restricted to the passive elimination of visceral drives. Throughout the mid-twentieth century, classical learning models conceived of motivation almost exclusively through homeostatic drive-reduction: organisms were envisioned as homeostatic systems seeking to diminish hunger, thirst, pain, and sexual tension to a baseline of zero excitation. Berlyne observed a fatal paradox in this formulation: animals and human beings routinely expend tremendous effort to expose themselves to novel puzzles, complex art, exhilarating narratives, and challenging play. The arousal-boost mechanism was conceptualized to resolve this fundamental paradox.
Central to this mechanism is the relationship between autonomic activation, cortical tonus, and hedonic appraisal. According to Berlyne, the brain possesses differentiated neural networks responsible for evaluating environmental input. Sensory inputs possess what he termed “arousal potential”—the aggregate capacity of a stimulus to alter the arousal state of the nervous system. When arousal potential is exceptionally low, the organism experiences boredom, monotony, and affective indifference. As arousal potential increases through moderate doses of novelty, surprising twists, compositional complexity, or unresolved structural tensions, the arousal-boost mechanism activates, recruiting subcortical positive reward circuits.
Crucially, the arousal-boost mechanism operates within bounded neurophysiological parameters. If arousal potential climbs too precipitously or crosses into unmanageable sensory overload, the sensation morphs from pleasurable interest into subjective distress, anxiety, or cognitive aversion. Hence, the boost mechanism operates predominantly on the ascending limb of Wilhelm Wundt's classic inverted-U curve of hedonic preference. It governs the psychological transition from neutral indolence to vivid, pleasurable engagement.
Furthermore, the arousal-boost mechanism operates dynamically over time. In experiencing a complex aesthetic object—such as a multifaceted symphonic development, an intricate painting, or a suspenseful narrative exposition—the perceptual system continuously encounters subtle discrepancies between anticipated patterns and emergent inputs. Each subtle divergence activates the reticular activating system, prompting an orienting reflex and elevating cortical vigilance. Because these shifts remain manageable and non-threatening, the subjective experience is interpreted not as acute panic, but as aesthetic delight, intrigue, and intellectual fascination.
5. Historical Development
The conceptual roots of the arousal-boost mechanism trace back to nineteenth-century psychophysics, particularly the foundational work of Wilhelm Wundt (1874). Wundt observed that sensory stimuli of increasing physical intensity initially elicit increasing degrees of pleasantness up to an intermediate ceiling, after which further increases in intensity produce an abrupt downturn into displeasure. However, nineteenth-century psychophysics lacked the electrophysiological techniques necessary to examine the central neural substrates underlying this empirical curve.
In the late 1940s and early 1950s, neurophysiologists Horace Magoun and Giuseppe Moruzzi discovered the ascending reticular activating system, establishing that general biological arousal is a quantifiable neurophysiological continuum mediated by brainstem projection pathways. Concurrently, Donald O. Hebb (1955) synthesized these findings with behavioral psychology, proposing that optimal psychological functioning and affective comfort require an intermediate level of cortical arousal. Hebb argued that severe stimulus deprivation produced psychological disorganization and negative affect, implying that organisms possess an intrinsic drive to elevate their arousal when understimulated.
During the late 1960s, Daniel E. Berlyne synthesized Wundtian psychophysics, Hebbian arousal theory, and modern neurobiology into what became known as the “New Experimental Aesthetics.” In 1967 and 1971, Berlyne formally introduced the dual-mechanism model of aesthetic reward: the arousal-boost mechanism and the arousal-jag mechanism. Drawing on intracranial self-stimulation studies by James Olds and Peter Milner, Berlyne suggested that moderate elevations in arousal activate the subcortical “primary reward system” without triggering the antagonistic “aversion system.”
Through the 1970s and 1980s, the arousal-boost mechanism was extensively utilized to explicate humor (Berlyne, 1972; Patricia Keith-Spiegel, 1972), musicology (Leonard Meyer, 1956), and narrative suspense (Dolf Zillmann, 1980). Although cognitive psychologists in the late twentieth century questioned whether physiological arousal could account for the full spectrum of emotional appraisals, the emergence of contemporary neuroaesthetics has reaffirmed the primary biological role of moderate autonomic activation in generating hedonic value and sustained attention.
6. Theoretical Foundations
The theoretical framework supporting the arousal-boost mechanism integrates psychobiology, behavioral motivation, and information theory. The primary framework rests upon the neurophysiological distinction between the reticular activating system, the medial forebrain bundle reward pathways, and the periventricular aversion circuits. Berlyne adopted the neurobehavioral models of Olds and Olds (1965), which proposed that low thresholds of stimulus activation recruit the primary positive reinforcement system (associated with dopaminergic and noradrenergic transmission). The arousal-boost mechanism operates when sensory properties activate this low-threshold reward circuit, fostering positive hedonic feelings while remaining beneath the threshold required to trigger the high-threshold periventricular punishment system.
A second theoretical pillar derives from mathematical information theory, formulated by Claude Shannon and Warren Weaver. Berlyne conceptualized aesthetic artifacts and environmental scenes as configurations of informative signals containing measurable degrees of entropy, uncertainty, and redundancy. When a stimulus provides moderate information load—neither completely predictable (100% redundancy, provoking boredom) nor totally chaotic (maximum entropy, provoking cognitive paralysis)—the human perceptual apparatus undergoes an optimal computational effort. The computational resolution of this uncertainty generates an upward nudge in autonomic arousal, which the cognitive system evaluates as satisfying.
A third foundation rests on optimal stimulation theory, developed by Hebb (1955) and further refined by Tibor Scitovsky in The Joyless Economy (1976). Scitovsky utilized Berlyne's arousal-boost mechanism to construct an economic and psychological critique of modern consumer culture. He demonstrated that complete physical comfort constitutes a state of minimal arousal, which rapidly degrades into boredom. Pure pleasure, Scitovsky argued, requires the active transition from comfort to dynamic engagement—a transition driven precisely by the arousal-boost mechanism as the individual undertakes novel challenges, complex cultural consumption, and skilled recreational play.
7. Key Components, Types & Dimensions
The arousal-boost mechanism is driven by multidimensional stimulus characteristics and neurobiological processes, categorized systematically across distinct structural domains:
- Collative Variables: Structural stimulus properties that force the percipient to collate, compare, and contrast disparate informational cues. These serve as the primary external triggers of the boost mechanism:
- Novelty: The degree to which a stimulus presents unfamiliar, uncommon, or recently unencountered features.
- Complexity: The quantity of distinct elements comprising a stimulus configuration and the intricacy of their spatial, auditory, or semantic organization.
- Incongruity: The extent to which stimulus components violate established mental schemata or mutual expectations.
- Ambiguity: The presence of multiple, competing, or unresolved interpretive possibilities within the perceptual field.
- Surprise: The sudden divergence between what an observer predicts based on previous contexts and what actually occurs.
- Neurochemical and Autonomic Substrates: The internal physiological indices of the mechanism:
- Sympathovagal Shift: Moderate elevations in sympathetic nervous system activation, manifest in transient skin conductance responses and subtle heart rate variability modifications.
- Cortical Desynchronization: Suppression of synchronized high-amplitude alpha waves on electroencephalography (EEG), replaced by low-voltage, high-frequency beta and gamma activity indicative of focused attention.
- Ascending Catecholaminergic Tone: Phasic releases of dopamine within the striatum and medial forebrain bundle that signal anticipated hedonic reward.
- Functional Typologies of Arousal Boost: The contextual expressions of the phenomenon:
- Tonic Arousal Boost: A sustained, steady elevation in physiological activation maintained across extended exposure to an engaging, mildly challenging environment (e.g., navigating an art museum or reading a novel).
- Phasic Arousal Boost: Transient, acute micro-elevations in arousal evoked by specific compositional transitions, such as an unexpected chord shift in music or a witty verbal twist.
8. Examples & Illustrative Cases
To grasp the arousal-boost mechanism in operation, consider the structural architecture of classical and popular music. In Ludwig van Beethoven's *Symphony No. 5 in C Minor*, the transition from the subdued, suspenseful Scherzo into the triumphant Finale involves a continuous, escalating buildup of orchestral volume, rising pitch, and accumulating harmonic tension. Rather than experiencing this steady increase in sonic arousal as stressful, listeners report intense aesthetic thrill and rapt fascination. The ascending harmonic complexity steadily elevates the listener's autonomic activation within safe bounds, activating the arousal-boost mechanism and generating profound hedonic pleasure.
A parallel manifestation occurs in narrative fiction and cinematic storytelling. In mystery and suspense genres, narrative exposition frequently relies on what Alfred Hitchcock described as information disparity. As an audience observes a protagonist enter a space where hidden threats or unresolved ambiguities lurk, autonomic measures register increased vigilance, dilated pupils, and elevated galvanic skin resistance. Because the context is experienced through a protective aesthetic frame, this elevation in nervous system activation is felt as intensely enjoyable anticipation rather than real-world fear. The arousal-boost mechanism maintains reader absorption across chapters without requiring immediate cathartic resolution.
In the domain of modern interactive entertainment, video game design leverages the arousal-boost mechanism through progressive challenge scaling. In games characterized by “flow” dynamics, developers intentionally introduce escalating tiers of environmental complexity, enemy agility, and perceptual novelty. If the difficulty rises incrementally in lockstep with the player's developing motor mastery, the player's physiological arousal climbs into a pleasurable zone of exhilaration. The player does not desire a passive, effortless victory; the steady climb in physiological stakes mediated by the arousal-boost mechanism is precisely what makes the interactive experience rewarding.
9. Measurement & Assessment
Because the arousal-boost mechanism encompasses both physiological activation and subjective hedonic evaluation, researchers employ a multi-methodological, psychophysiological assessment paradigm:
Central to physiological measurement is autonomic monitoring. Galvanic skin response (GSR), or electrodermal activity (EDA), serves as the most sensitive index of sympathetic arousal. As collative variables such as novelty or complexity increase, sweat gland innervations elicit measurable shifts in skin conductance. Concurrently, cardiovascular metrics—including instantaneous heart rate, peripheral vasoconstriction via photoplethysmography, and respiratory sinus arrhythmia (a measure of parasympathetic vagal withdrawal)—are recorded to determine the precise magnitude of the physiological boost.
In central electrophysiology and neuroimaging, electroencephalography (EEG) is utilized to measure event-related desynchronization (ERD) in the alpha band (8–12 Hz). Alpha attenuation over parietal and occipital electrodes reflects enhanced cortical vigilance and cognitive engagement. Functional magnetic resonance imaging (fMRI) allows investigators to track blood-oxygen-level-dependent (BOLD) responses in regions associated with reward and arousal processing, such as the ventral striatum, nucleus accumbens, anterior insular cortex, and midbrain dopaminergic nuclei.
These objective physiological traces are continuously correlated with subjective psychological assessments. Researchers administer standardized semantic differential scales, developed by Berlyne and refined by subsequent psychometricians. Participants rate stimuli across orthogonal bipolar dimensions: hedonic value (e.g., *pleasing-displeasing*, *beautiful-ugly*), arousal potential (e.g., *exciting-calming*, *stimulating-dull*), and interestingness (e.g., *interesting-boring*, *novel-familiar*). The signature empirical fingerprint of the arousal-boost mechanism is established when continuous increases in objective arousal indices demonstrate a direct, linear or monotonic correlation with subjective ratings of pleasure, up to an optimal inflection threshold.
10. Applications & Practical Significance
The applications of the arousal-boost mechanism span multiple applied disciplines, profoundly shaping how human environments, media products, and educational materials are engineered.
In architecture and interior design, environmental psychologists apply the arousal-boost mechanism to combat sensory deprivation in commercial, residential, and institutional spaces. Clinical environments constructed with sterile, homogeneous surfaces induce low arousal potential, provoking patient restlessness and depressive withdrawal. By integrating varied textural palettes, biophilic structural forms, fluctuating natural light, and controlled spatial complexity, architects activate the arousal-boost mechanism, enhancing occupant mood, cognitive performance, and subjective well-being.
In marketing, brand management, and user experience (UX) design, the arousal-boost mechanism informs consumer retention strategies. Digital interfaces that are completely static or entirely predictable fail to engage users; conversely, interfaces burdened with erratic pop-ups and incoherent navigation produce overwhelming cognitive overload. Successful designers utilize micro-interactions, subtle visual surprises, and dynamic content layouts that deliver moderate informational novelty. This delicate escalation of arousal sustains consumer curiosity and fosters brand preference.
In instructional design and education, pedagogical theorists utilize the arousal-boost mechanism to optimize student engagement. Educational materials presenting unchallenging, over-learned exercises leave learners underaroused and disengaged. By infusing curricular materials with epistemic curiosity triggers—such as conceptual paradoxes, historical anomalies, and structured problem-based learning puzzles—educators trigger a controlled boost in intellectual arousal. This heightened activation enhances dopamine release within hippocampal learning circuits, thereby strengthening long-term memory consolidation.
11. Research & Empirical Evidence
Decades of laboratory experimentation have rigorously tested the foundational tenets of Berlyne's arousal-boost hypothesis. In his early pioneering studies, Berlyne (1958, 1963) demonstrated that visual exploration times in both human infants and adults correlate with visual complexity and novelty. Participants given control over a tachistoscopic projector consistently chose to view complex, irregular polygons over simple, symmetrical counterparts, with self-reported pleasingness tracking the initial upward climb of stimulus complexity.
Empirical confirmation in musical psychoacoustics was achieved by researchers such as W. Jay Dowling and E. Colin LeBlanc. In controlled laboratory experiments, musical passages featuring moderate syncopation, unusual rhythmic progressions, and deliberate harmonic delays elicited heightened physiological arousal (indexed by skin conductance spikes) that directly predicted subject ratings of musical enjoyment. When musical compositions were deliberately flattened to adhere strictly to basic diatonic cadences, physiological arousal flatlined and hedonic ratings dropped markedly.
Further neuroscientific support emerged through the neuroimaging paradigms of researchers like Semir Zeki, V. S. Ramachandran, and Oshin Vartanian. Vartanian and Goel (2004) exposed human subjects to original and modified artworks varying systematically in visual complexity and compositional coherence while undergoing fMRI scanning. Their results revealed that visual complexity correlated linearly with increased regional cerebral blood flow in the right caudate nucleus and anterior cingulate cortex—regions involved in reward processing and attentional allocation. This confirmed that the elevation of arousal triggered by visual complexity maps directly to objective biological reward pathways.
12. Cultural & Cross-Cultural Considerations
While the neurophysiological hardware mediating the arousal-boost mechanism is universal across the human species, the specific stimulus configurations capable of triggering this mechanism are heavily shaped by enculturation and social learning. What functions as a moderate, pleasurable boost of arousal for an observer enculturated in one aesthetic tradition may register as excessive chaos or stultifying redundancy for an observer from another.
Cross-cultural aesthetic research demonstrates that preferred baselines of arousal potential vary across cultural groups. Studies comparing Western (Euro-American) and East Asian aesthetic traditions have shown systematic differences in how novelty and complexity are appraised. In many Western traditions, modern experimental aesthetics places a premium on high novelty, dynamic contrast, and disruptive innovation, which rapidly elevate autonomic arousal. In contrast, classical East Asian aesthetic paradigms—such as the Japanese aesthetic of *wabi-sabi* (appreciating impermanence and unadorned simplicity) or *yūgen* (subtle grace and hidden depth)—induce hedonic pleasure through extremely delicate, understated variations within highly controlled, redundant structural frameworks.
Moreover, linguistic and musical acculturation dramatically calibrates the perceptual templates against which surprise and incongruity are calculated. An individual raised within a Western musical environment constructed upon the 12-tone equal temperament scale will perceive chromaticism and deceptive cadences as a pleasurable arousal boost. However, when listening to South Indian Carnatic music or Arabic *maqam* systems featuring microtonal intervals, the unfamiliarity of the tonal system may initially induce cognitive disarray or sensory overload rather than an optimal arousal boost. Once acculturation and perceptual learning occur, the brain establishes new schemata, allowing the collative variables of that musical tradition to trigger the arousal-boost mechanism as intended.
13. Criticisms, Debates & Limitations
Despite its profound historical impact, the arousal-boost mechanism has been subject to continuous theoretical and methodological critique within cognitive psychology and experimental aesthetics.
A primary theoretical critique, voiced by researchers such as Gerald Cupchik and Paul Silvia (2005), challenges the validity of unitary arousal theory. Berlyne's model assumed that physiological arousal is a single, unidimensional continuum wherein autonomic, cortical, and behavioral metrics rise and fall in synchrony. Modern psychophysiology has dismantled this unitary arousal concept, demonstrating marked fractionation: autonomic responses (e.g., heart rate and skin conductance) often dissociate from cortical EEG rhythms and subjective feelings of activation. Without a singular “arousal” state, critics argue that positing a singular “arousal boost” mechanism is an oversimplification of human neurobiology.
A second major challenge originates from appraisal theories of emotion. Silvia argued that hedonic responses to art and novelty are not driven by blind, non-specific physiological activation, but by multi-step cognitive appraisals. According to appraisal theory, an individual first evaluates a stimulus for novel-complexity, and subsequently appraises their own coping potential—their subjective ability to understand, integrate, or make sense of the complexity. If coping potential is high, the emotion of *interest* is elicited; if coping potential is low, confusion or anxiety results. Appraisal theorists contend that Berlyne's arousal-boost mechanism erroneously assigns causal primacy to visceral arousal, treating cognitive meaning-making as a mere secondary byproduct.
Finally, cognitive connectionist psychologists, such as Colin Martindale (1990), proposed competing neural network architectures to explain aesthetic preference without relying on general arousal mechanisms. Martindale's prototypicality and cognitive-processing models suggest that pleasure in art depends upon the activation of specific, semantic cognitive representations (prototypes) within the cortex. In Martindale's model, hedonic value is determined by the total number of activated cognitive processors rather than non-specific physiological arousal mediated by the brainstem. These debates continue to foster lively empirical inquiry across contemporary psychology.
14. Related Terms & Distinctions
Understanding the arousal-boost mechanism requires clear structural differentiation from related psychobiological and aesthetic constructs:
- Arousal-Boost Mechanism vs. Arousal-Jag Mechanism: While the arousal-boost mechanism involves a gradual, moderate climb in arousal that is experienced as intrinsically pleasurable during its ascent, the arousal-jag mechanism involves a precipitous, sharp spike of arousal into an uncomfortably high, threatening, or aversive zone, followed by an immediate, sudden drop back to baseline. The pleasure in an arousal-jag does not derive from the arousal itself, but from the sudden, cathartic relief of tension reduction (e.g., the punchline of an aggressive joke, the drop of a roller coaster, or the resolution of a horror film climax).
- Arousal-Boost Mechanism vs. Arousal-Reduction Mechanism: The arousal-reduction mechanism is rooted in classical homeostatic drive theories, where pleasure occurs solely via the abatement of an uncomfortable drive state (e.g., drinking water when severely dehydrated). In contrast, the arousal-boost mechanism explains the hedonic reward derived from *increasing* activation above baseline in the absence of homeostatic physiological deficit.
- Arousal-Boost Mechanism vs. Flow State: Formulated by Mihaly Csikszentmihalyi, the flow state describes an optimal experiential state characterized by intense concentration, deep absorption, and intrinsic reward during challenging activities. While an arousal boost often serves as the initial physiological catalyst that propels an individual into flow, flow represents an integrated experiential state involving balanced skill-challenge ratios, clear feedback, and altered time perception, rather than a specific neurobiological stimulus-response mechanism.
- Arousal-Boost Mechanism vs. Sensation Seeking: Sensation seeking, conceptualized by Marvin Zuckerman, is a stable, trait-level personality dimension reflecting an individual's general willingness to take risks for novel and intense sensations. The arousal-boost mechanism, conversely, is a universal, state-level biological process operative across all human sensory perception, regardless of an individual's specific baseline placement along the sensation-seeking personality trait continuum.
15. Summary / Key Takeaways
The arousal-boost mechanism represents one of modern psychology's most enduring explanations for the human appetite for novelty, art, and intellectual challenge. By identifying how moderate physiological excitation engages subcortical reward structures, the mechanism overturns purely homeostatic views of human motivation, confirming that organisms possess an innate biological drive to seek cognitive stimulation and aesthetic complexity.
Ultimately, the arousal-boost mechanism bridges psychophysiology and subjective human experience. Whether mediated by the structural surprises of a musical masterpiece, the dynamic narrative intrigue of a film, or the challenging architecture of a modern environment, moderate escalations in nervous system activation serve as the biological spark that transforms passive perception into vibrant, meaningful, and deeply pleasurable engagement.
References
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- Berlyne, D. E. (1960). Conflict, arousal, and curiosity. McGraw-Hill.
- Berlyne, D. E. (1967). Arousal and reinforcement. In D. Levine (Ed.), Nebraska Symposium on Motivation (Vol. 15, pp. 1–110). University of Nebraska Press.
- Berlyne, D. E. (1971). Aesthetics and psychobiology. Appleton-Century-Crofts.
- Berlyne, D. E. (1972). Humor and its kin. In J. H. Goldstein & P. E. McGhee (Eds.), The psychology of humor: Theoretical perspectives and empirical issues (pp. 43–60). Academic Press. https://doi.org/10.1016/B978-0-12-288950-9.50009-8
- Hebb, D. O. (1955). Drives and the C.N.S. (conceptual nervous system). Psychological Review, 62(4), 243–254. https://doi.org/10.1037/h0041823
- Martindale, C. (1990). The clockwork muse: The predictability of artistic change. Basic Books.
- Scitovsky, T. (1976). The joyless economy: An inquiry into human satisfaction and consumer dissatisfaction. Oxford University Press.
- Silvia, P. J. (2005). Cognitive appraisals and interest in visual art: Exploring an appraisal theory of aesthetic emotions. Empirical Studies of the Arts, 23(2), 119–133. https://doi.org/10.2190/12AE-AG18-Y9AC-7A2D
- Vartanian, O., & Goel, V. (2004). Neuroanatomical correlates of aesthetic preference for paintings. NeuroReport, 15(5), 893–897. https://doi.org/10.1097/00001756-200404090-00032