A photic stimulation device for a head comprising: a brain wave amplifier configured to perform A/D conversion on brain waves of an individual acquired with a sensor and amplify the brain waves; a control signal generation circuit configured to generate a control signal to control drive of LEDs on the basis of an output signal from the brain wave amplifier; a pulse modulation unit configured to perform modulation on an output of the control signal generation circuit and a light exposing unit including the LEDs that are driven on the basis of an output signal from the pulse modulation unit and expose the head with a light beam, wherein: the control signal generation circuit includes a first band-pass filter (BPF 1, 1-1) configured to pass a frequency band including a part of a band of θ waves and a part of a band of α waves, an AGC limiter configured to suppress fluctuation in amplitude of the brain waves that depends on each individual, a second band-pass filter (BPF 2, 1-3) configured to perform a waveform shaping process, and a feedback circuit configured to feed back an output of the second band-pass filter (BPF 2) to the AGC limiter by inputting the output of the second band-pass filter (BPF 2) to a control terminal of the AGC limiter, wherein the feedback circuit comprises; an absolute value circuit configured to output an absolute value of an input; a BEF circuit (Band-Elimination Filter, 1-5) configured to suppress an amplitude of an input; and an LPF circuit configured to filter an output of the BEF circuit. a brain wave amplifier configured to perform A/D conversion on brain waves of an individual acquired with a sensor and amplify the brain waves; a control signal generation circuit configured to generate a control signal to control drive of LEDs on the basis of an output signal from the brain wave amplifier; a pulse modulation unit configured to perform modulation on an output of the control signal generation circuit and a light exposing unit including the LEDs that are driven on the basis of an output signal from the pulse modulation unit and expose the head with a light beam, wherein: the control signal generation circuit includes a first band-pass filter (BPF 1, 1-1) configured to pass a frequency band including a part of a band of θ waves and a part of a band of α waves, an AGC limiter configured to suppress fluctuation in amplitude of the brain waves that depends on each individual, a second band-pass filter (BPF 2, 1-3) configured to perform a waveform shaping process, and a feedback circuit configured to feed back an output of the second band-pass filter (BPF 2) to the AGC limiter by inputting the output of the second band-pass filter (BPF 2) to a control terminal of the AGC limiter, wherein the feedback circuit comprises; an absolute value circuit configured to output an absolute value of an input; a BEF circuit (Band-Elimination Filter, 1-5) configured to suppress an amplitude of an input; and an LPF circuit configured to filter an output of the BEF circuit. the control signal generation circuit includes a first band-pass filter (BPF 1, 1-1) configured to pass a frequency band including a part of a band of θ waves and a part of a band of α waves, an AGC limiter configured to suppress fluctuation in amplitude of the brain waves that depends on each individual, a second band-pass filter (BPF 2, 1-3) configured to perform a waveform shaping process, and a feedback circuit configured to feed back an output of the second band-pass filter (BPF 2) to the AGC limiter by inputting the output of the second band-pass filter (BPF 2) to a control terminal of the AGC limiter, wherein the feedback circuit comprises; a first band-pass filter (BPF 1, 1-1) configured to pass a frequency band including a part of a band of θ waves and a part of a band of α waves, an AGC limiter configured to suppress fluctuation in amplitude of the brain waves that depends on each individual, a second band-pass filter (BPF 2, 1-3) configured to perform a waveform shaping process, and a feedback circuit configured to feed back an output of the second band-pass filter (BPF 2) to the AGC limiter by inputting the output of the second band-pass filter (BPF 2) to a control terminal of the AGC limiter, wherein the feedback circuit comprises; an absolute value circuit configured to output an absolute value of an input; a BEF circuit (Band-Elimination Filter, 1-5) configured to suppress an amplitude of an input; and an LPF circuit configured to filter an output of the BEF circuit.