Consumers’ Cognitive, Emotional and Behavioral Responses towards
Background Music: An EEG Study
Athanasios Gkaintatzis
1
, Rob van der Lubbe
2
, Kalipso Karantinou
1
and Efthymios Constantinides
2
1
Department of Marketing and Communication, Athens University of Economics and Business,
Patision Street 76, Athens, Greece
2
Faculty of Behavioural, Management and Social Sciences (BMS), University of Twente,
Drienerlolaan 5, Enschede, Netherlands
Keywords: Neuromarketing, Electroencephalogram (EEG), Consumer Behavior.
Abstract: The physical environment affects individuals emotionally, behaviorally and cognitively. Servicescapes or
atmospherics studies the effect of environmental stimulation to consumers. Environmental stimuli affect
consumers’ attention and cause them emotions such as pleasure and arousal; those emotional responses
affect in turn consumers’ behavioral responses such us approach and avoidance tendencies towards the
environment. Hence, the level of arousal-nonarousal and the pleasure-displeasure experienced by a
consumer along with other intervening variables such as momentary mood and stimulus screening ability
will determine his/her approach-avoidance responses towards the environmental stimuli. The paper studies
atmospherics with neuromarketing and conventional marketing research methods: Specifically, using
electroencephalography (EEG) and surveys, it focuses on the effect of background music on Consumer’s
arousal, pleasure, attention and approach/avoidance tendencies. The results are expected to have significant
academic relevance both for the servicescapes / atmospherics and the neuromarketing / consumer
neuroscience research streams of literature and also managerial implications.
1 INTRODUCTION
This paper investigates atmospherics with
neuromarketing methods. Servicescapes or
atmospherics is a subfield of marketing which
applies environmental psychology to marketing
research in studying the effects of the environment
to consumers within it (Kotler, 1973; Bitner, 1992).
Neuromarketing or Consumer Neuroscience applies
neuroscience to marketing research and studies
consumers’ emotional, behavioral and cognitive
responses (Turley and Milliman, 2000; Mattila and
Wirtz, 2001).
2 LITERATURE REVIEW
Music has long been considered an efficient and
effective means for triggering moods and
communicating nonverbally (Bruner, 1990). It is
capable of evoking complex and affective behavioral
responses in consumers. Specifically, music affects
consumer behavior in retail environments (Milliman,
1982, Milliman, 1986; Yalch and Spangenberg,
1990) and influences their desire to affiliate in
buyer-seller interactions (Dube´, Chebat and Morin,
1995). Appropriately structured music acts on the
nervous system as a key on a lock, activating the
brain with corresponding emotional reactions
(Clynes and Netheim, 1982) and also plays an
important role among higher brain functions
(Bhattacharya, Petsche and Pereda, 2001). It is
therefore not surprising that music has become a
major subject of consumer research, both at the point
of purchase and in advertising (Bruner, 1990).
Previous research has been focused on specific
elements of music such as volume, pitch, tempo, and
rhythm are manipulated. Regarding tempo, Bruner
(1990) argues that slow tempo music reduces
anxiety, whereas faster tempo music is associated
with increased worry and emotionality. In this
respect, faster tempo music was associated with
positive affective states such as happiness and
excitement, whereas slow tempo music was
associated with feelings of sadness (Bruner, 1990).
Milliman proposed that consumers spent more time
and money in environments with slow-tempo music
314
Gkaintatzis, A., van der Lubbe, R., Karantinou, K. and Constantinides, E.
Consumers’ Cognitive, Emotional and Behavioral Responses towards Background Music: An EEG Study.
DOI: 10.5220/0008346603140318
In Proceedings of the 15th International Conference on Web Information Systems and Technologies (WEBIST 2019), pages 314-318
ISBN: 978-989-758-386-5
Copyright
c
2019 by SCITEPRESS Science and Technology Publications, Lda. All rights reserved
and took more time to eat their meals compared to
those in the fast-music condition (Milliman, 1982;
Milliman, 1986). Following Milliman, Vanderark
and Ely (1993) reported that high tempo and high
rhythmic content in the music led to an increase in
physiological arousal among consumers (Mattila and
Wirtz, 2001). Dube´ et al., (1995) proposed that
music-induced pleasure and arousal might have
independent effects on consumers’ desire to affiliate
in a buyer-seller interaction, with more desire to
affiliate associated with more pleasure and more
arousal. Even though there is ample extant research
on the effect of music on consumer behavior, there
are still many conflicting findings and inconclusive
results, posing an academic and managerial
challenge. Furthermore, music has been extensively
studied in the marketing literature using traditional
research methods. Little is however known about the
mental processes that underpin certain consumer
behaviors and the buying process. We aim to redress
such shortcoming by employing neuromarketing
methods that have the capacity to yield more precise
and objective results. In this study we will
investigate the effects of background music on
consumer behavior using a tool from the
Neuroscience domain namely
Electroencephalography (EEG) in combination with
classic questionnaires.
3 EXPERIMENTAL DESIGN
On the basis of the above mentioned approach, the
purpose of this study is to manipulate the tempo and
specifically the Beats Per Minute (BPM) of music
while keeping all the other elements of music
unchanged during the consumer decision-making
process, and examine how the consumer behavior is
affected. By manipulating BPM, different
servicescapes or to be more precise musicscapes,
can be created. Musicscapes display significant
relationships between specific musical variables and
desired consumer behavioral outcomes (Oakes,
2000). According to the literature, 80 or lower BPM
is considered as slow tempo musicscape, between 80
and 120 is considered as moderate and 120 or more
is considered as fast tempo musicscpae (Milliman,
1986; Kellaris and Kent, 1993; Bruner, 1990;
Edworthy and Waring, 2006). In this experiment,
there will be three different such conditions: a 70
BPM, a 120 BPM and a 170 BPM condition. Non-
vocal music is chosen, because we want to focus on
the effect of music on consumer behavior; not on the
effect of linguistics. Specifically, a violin piece is
chosen, because it can reach high BPM without
producing noise in the ears of the listener and it is
also coherent with the product selecting task; the
product in question is bolted wine.
Participants will be asked to perform a task while
being exposed to the three different musicscapes
conditions in random order. They will have to make
a binary choice between bottles of wine, one
presented in the right side of the computer screen
and one presented in the left. The side that each
bottle will be presented will be random. This task is
chosen, because we want to replicate a hedonic
servicescape. Hedonic services are those that
provide consumers with values such as excitement,
playfulness and entertainment and according to the
literature, arousal has a bigger effect on pleasure and
satisfaction in hedonic servicescapes than in
utilitarian servicescapes (Babin, Darden and Griffin,
1994).
Great effort will be made to keep all other
conditions such as temperature, air quality, humidity
and cleanliness constant and similar for all
participants. A pretest will also be conducted to
adjust the volume of the music. In addition,
feedback from the pretest sample is expected to help
with the wording of the questions and the
questionnaire layout.
4 METHODS
4.1 Electroencephalography (EEG)
Electroencephalography (EEG) is a non-invasive
medical imaging technique that records the
extracellular electrical activity of the brain,
generated by the action potentials of neurons
(Abhang, Gawali, and Mehrotra, 2016; Alix,
Ponnusamy, Pilling and Hart, 2017) and it is a
widely used method in consumer neuroscience. EEG
is chosen as a research method, because it has
advantages such high-tempoal resolution (Abhang et
al., 2016; Cohen, 2014; Michel and Murray, 2012;
Ramsøy, 2014), and can capture fast, dynamic, time
sequenced cognitive events (Cohen, 2014); next to
that is a relatively low-cost neuromarketing
technique. Furthermore, EEG is capable of
measuring visual attention, which is one of the main
purposes of this study.
In order the EEG measurements to be done, two
computers will be used: one for presentation and one
for recording, both of them connected with the
BrainVision ActiPower Amplifier. BrainVision
Recorder and BrainVision Analyzer will be used in
Consumers’ Cognitive, Emotional and Behavioral Responses towards Background Music: An EEG Study
315
order to collect the data and analyze them.
Participants will be sited in a comfortable chair 60
cm away from the presentation computer. The EEG
will be recorded continuously from 32 active
Ag/AgCl electrode sites: AFz, AF3, AF4, AF7, AF8,
F1, F2, F5, F6, FCz, FC3, FC4, FT7, FT8, C3, C4,
C5, C6, CPz, CP3, CP4, TP7, TP8, P1, P2, P5, P6,
POz, PO3, PO4, PO7, and PO8 using an EasyCap-
62 channel cap with standard international 1020
system layout. The occulograms (EOG) will be also
recorded continuously from 5 electrodes attached
around the eyes of the participants.
Regarding the EEG analysis, special focus will be
paid to the Posterior-Contralateral Negativity (PCN),
which is an Event-Related-Potential (ERP) and an
Event-Related-Lateralization (ERL) measure.
Evoked potentials (EPs) and event-related potentials
(ERPs) are components of the EEG that arise in
response to dierent kinds of stimuli, such as
auditory, gustatory, olfactory, somatosensory and
visual input (Ramsøy, 2014). ERPs can be
transformed into ERLs by calculating the contra-
ipsilated hemispherical difference for the relevant
electrodes (Van der Lubbe and Utzerath, 2013).
Parameters of the Posterior-Contralateral Negativity
(PCN), also known as the N2-posterior contralateral
(N2pc), will be analyzed in order to assess if a
certain bottle of wine caught participants’ visual
attention. The PCN expresses an increased
negativity in the visual area (posterior electrodes)
contralateral to the stimulus position in a time
window of approximately 175 and 300 ms (or even
less) after the stimulus presentation (Tollner, Muller
and Zehetleitner, 2011a; Tollner, Zehetleitner,
Gramann, and Muller, 2011b; Vossel, Geng and
Friston, 2015). The PCN measurement can be used
to indicate visual attention (Van der Lubbe,
Jaśkowski, Wauschkuhn, & Verleger, 2001).
Based on the assumption that PCN reflects the visual
allocation of attention based on perceptual stimulus
properties; the present study aims at showing that
PCN parameters can be used to assess and predict
consumers’ preferences for a specific product on the
base of external cues, in the case at hand different
bottles of wine. It is expected that individual visual
attention for a specific wine label are reflected by
EEG lateralization in the parieto-occipital area
(PO8/PO7 electrode pair. Therefore, it is
hypothesized that:
H1: A negative-going deflection (PCN) is indicative
of participants’ preferences for a bottle of wine.
Falkenstein, Hohnsbein and Hoormann (1994)
examined the influence of time pressure in a choice-
reaction task with visual and auditory stimuli in
which time pressure was manipulated. They focused
on the ERP component P3 latency, which reflects
processes involved in decision making and stimulus
evaluation. In this study pressure to the participants
will be induced by manipulating music’s BPM. It is
expected that an increase in BPM of music will lead
to an increase in participants reported stress and a
decrease in time needed to finish the task. Therefore,
it is hypothesized that:
H2: P3 latency is also expected to be affected by
time pressure.
The balance between activity in the left and right
frontal cortex, commonly referred to as asymmetric
frontal cortical activity, has served as a proxy for an
organism's motivational direction (i.e., approach vs.
avoidance) (Kelley, Hortensius, Schutter, Harmon-
Jones, 2017). According to the literature, greater
relative left (right) frontal cortical activity is
associated with approach (avoidance) motivation.
H3: Greater relative left frontal cortical activity is
associated with approach tendency of the participant
towards the medium tempo music. Greater relative
right frontal cortical activity is associated with
avoidance tendency of the participant towards the
extreme fast or extreme slow music.
4.2 Survey
After each music condition, participants will have to
answer a survey in order to measure their emotional
responses: pleasure and arousal (with 7 items and 7-
point likert scale from Mehrabian and Russel, 1974),
their cognitive responses: attention (with 5 items and
7-point likert scale from Brown and Ryan, 2003) and
satisfaction from background music (with 9 items
and 7-point likert scale from Oliver and Swan,
1989), and their behavioral responses:
approach/avoidance tendencies (8 items, 7-point
likert scale from Donovan and Rossiter, 1982)
It is expected that people prefer moderate arousal
level over extreme high or low when they do a task.
The hypotheses that will be tested is the following:
H4: While making a binary choice, listening to 120
BPM music piece is pleasant, satisfactory and leads
to approach tendency towards the environment.
Extreme fast or extreme slow music is unpleasant,
unsatisfactory and leads to avoidance behavior
towards the environment.
The faster response and more stressful is expected to
be in the 170 BPM music condition and the slower
response and less stressful in the 70 BPM music
condition. Therefore, it is hypothesized that:
WEBIST 2019 - 15th International Conference on Web Information Systems and Technologies
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H5: An increase in BPM of music will lead to an
increase in participants’ reported stress and a
decrease in time needed to finish the task.
The faster the music, the more difficult it is expected
to be to complete the task. The last hypothesis will
be that:
H6: While the BPM of music are increasing
participant’s attention is decreasing.
5 DATA PROCESSING AND
EXPECTED RESULTS
Following the hypotheses, attention is expected to
decrease and stress to increase, while BPM of music
are increasing. Arousal and heart rate is expected to
increase while BPM of music are increasing. It is
also expected that moderate arousal level induced
from the 120 BPM violin piece is pleasant and
satisfactory, leading to approach behavior; in
parallel, extreme high and extreme low arousal level
induced from 70 and 170 violin pieces is not
pleasant and satisfactory, leading to avoidance
behavior. In addition, the faster response and more
stressful is expected to be in the 170 BPM music
condition and the slower in the 70 BPM music
condition.
At the end of the study a final conclusion will be
drawn based on the results. The relative advantages
and disadvantages of survey and EEG and their
potential complementarity will be critically
evaluated. Academic and managerial implications
are also expected to come out, enabling better
utilization of music in consumer research and
practice when dealing with customer behavior.
Further research in this domain could be done by
including more neuromarketing techniques such as
Functional Near-Infrared Spectroscopy (fNIRS).
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